diff --git a/.gitmodules b/.gitmodules
index ffc614e..725dc88 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,45 +1,12 @@
-[submodule "vim/pack/default/vim-polyglot"]
-	path = vim/pack/default/start/vim-polyglot
-	url = https://github.com/sheerun/vim-polyglot.git
-[submodule "vim/pack/default/start/ale"]
-	path = vim/pack/default/start/ale
-	url = https://github.com/dense-analysis/ale.git
 [submodule "vim/pack/default/start/lightline.vim"]
 	path = vim/pack/default/start/lightline.vim
 	url = https://github.com/itchyny/lightline.vim
 [submodule "vim/pack/default/start/fugitive"]
 	path = vim/pack/default/start/fugitive
 	url = https://tpope.io/vim/fugitive.git
-[submodule "vim/pack/default/start/commentary"]
-	path = vim/pack/default/start/commentary
-	url = https://tpope.io/vim/commentary.git
-[submodule "vim/pack/colors/start/mustang-vim"]
-	path = vim/pack/colors/start/mustang-vim
-	url = https://github.com/croaker/mustang-vim.git
-[submodule "vim/pack/colors/start/nord-vim"]
-	path = vim/pack/colors/start/nord-vim
-	url = https://github.com/arcticicestudio/nord-vim.git
-[submodule "vim/pack/colors/start/vim-monokai"]
-	path = vim/pack/colors/start/vim-monokai
-	url = https://github.com/sickill/vim-monokai.git
-[submodule "vim/pack/default/start/vim-vinegar"]
-	path = vim/pack/default/start/vim-vinegar
-	url = https://github.com/tpope/vim-vinegar.git
 [submodule "vim/pack/default/start/editorconfig-vim"]
 	path = vim/pack/default/start/editorconfig-vim
 	url = https://github.com/editorconfig/editorconfig-vim.git
-[submodule "vim/pack/snippets/start/ultisnips"]
-	path = vim/pack/snippets/start/ultisnips
-	url = https://github.com/SirVer/ultisnips.git
-[submodule "vim/pack/snippets/start/vim-snippets"]
-	path = vim/pack/snippets/start/vim-snippets
-	url = https://github.com/honza/vim-snippets.git
-[submodule "vim/pack/rust/start/rust.vim"]
-	path = vim/pack/rust/start/rust.vim
-	url = https://github.com/rust-lang/rust.vim.git
-[submodule "vim/pack/colors/start/molokai"]
-	path = vim/pack/colors/start/molokai
-	url = https://github.com/tomasr/molokai.git
 [submodule "nvim/pack/colors/start/molokai"]
 	path = nvim/pack/colors/start/molokai
 	url = https://github.com/tomasr/molokai.git
diff --git a/vim/pack/colors/start/molokai b/vim/pack/colors/start/molokai
deleted file mode 160000
index c67bdfc..0000000
--- a/vim/pack/colors/start/molokai
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit c67bdfcdb31415aa0ade7f8c003261700a885476
diff --git a/vim/pack/colors/start/mustang-vim b/vim/pack/colors/start/mustang-vim
deleted file mode 160000
index 6533d7d..0000000
--- a/vim/pack/colors/start/mustang-vim
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 6533d7d21bf27cae94d9c2caa575f627f003dfd5
diff --git a/vim/pack/colors/start/nord-vim b/vim/pack/colors/start/nord-vim
deleted file mode 160000
index 0ccf70b..0000000
--- a/vim/pack/colors/start/nord-vim
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 0ccf70b6b06fbe022109d98812657aaf54dbf65a
diff --git a/vim/pack/colors/start/vim-monokai b/vim/pack/colors/start/vim-monokai
deleted file mode 160000
index ae77538..0000000
--- a/vim/pack/colors/start/vim-monokai
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit ae7753878f8740fbdb2cef5617911ef83255349b
diff --git a/vim/pack/default/start/ale b/vim/pack/default/start/ale
deleted file mode 160000
index 82f734a..0000000
--- a/vim/pack/default/start/ale
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 82f734a7c286d8705c9a6e2879b4173fe18a6356
diff --git a/vim/pack/default/start/commentary b/vim/pack/default/start/commentary
deleted file mode 160000
index f8238d7..0000000
--- a/vim/pack/default/start/commentary
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit f8238d70f873969fb41bf6a6b07ca63a4c0b82b1
diff --git a/vim/pack/default/start/vim-polyglot b/vim/pack/default/start/vim-polyglot
deleted file mode 160000
index 14dc82f..0000000
--- a/vim/pack/default/start/vim-polyglot
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 14dc82fc4e6c0c08078f97a24a6c1639c1cc5113
diff --git a/vim/pack/default/start/vim-vinegar b/vim/pack/default/start/vim-vinegar
deleted file mode 160000
index fcce70f..0000000
--- a/vim/pack/default/start/vim-vinegar
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit fcce70f1403ba4101668a4c960c577bddbd00f06
diff --git a/vim/pack/rust/start/rust.vim b/vim/pack/rust/start/rust.vim
deleted file mode 160000
index ce5f2b1..0000000
--- a/vim/pack/rust/start/rust.vim
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit ce5f2b1c881de1b2101924dc5a19046399d74db2
diff --git a/vim/pack/rust/start/skim.vim/plugin/skim.vim b/vim/pack/rust/start/skim.vim/plugin/skim.vim
deleted file mode 100644
index 7406f4f..0000000
--- a/vim/pack/rust/start/skim.vim/plugin/skim.vim
+++ /dev/null
@@ -1,814 +0,0 @@
-" Copyright (c) 2017 Junegunn Choi
-"
-" MIT License
-"
-" Permission is hereby granted, free of charge, to any person obtaining
-" a copy of this software and associated documentation files (the
-" "Software"), to deal in the Software without restriction, including
-" without limitation the rights to use, copy, modify, merge, publish,
-" distribute, sublicense, and/or sell copies of the Software, and to
-" permit persons to whom the Software is furnished to do so, subject to
-" the following conditions:
-"
-" The above copyright notice and this permission notice shall be
-" included in all copies or substantial portions of the Software.
-"
-" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-" EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-" NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-" LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-" OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-" WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-if exists('g:loaded_skim')
-  finish
-endif
-let g:loaded_skim = 1
-
-if empty($SKIM_DEFAULT_COMMAND)
-    let $SKIM_DEFAULT_COMMAND = "fd --type f || git ls-tree -r --name-only HEAD || rg --files || ag -l -g \"\" || find ."
-endif
-
-let s:is_win = has('win32') || has('win64')
-if s:is_win && &shellslash
-  set noshellslash
-  let s:base_dir = expand('<sfile>:h:h')
-  set shellslash
-else
-  let s:base_dir = expand('<sfile>:h:h')
-endif
-if s:is_win
-  let s:term_marker = '&::SKIM'
-
-  function! s:skim_call(fn, ...)
-    let shellslash = &shellslash
-    try
-      set noshellslash
-      return call(a:fn, a:000)
-    finally
-      let &shellslash = shellslash
-    endtry
-  endfunction
-
-  " Use utf-8 for skim.vim commands
-  " Return array of shell commands for cmd.exe
-  function! s:wrap_cmds(cmds)
-    return map(['@echo off', 'for /f "tokens=4" %%a in (''chcp'') do set origchcp=%%a', 'chcp 65001 > nul'] +
-          \ (type(a:cmds) == type([]) ? a:cmds : [a:cmds]) +
-          \ ['chcp %origchcp% > nul'], 'v:val."\r"')
-  endfunction
-else
-  let s:term_marker = ";#SKIM"
-
-  function! s:skim_call(fn, ...)
-    return call(a:fn, a:000)
-  endfunction
-
-  function! s:wrap_cmds(cmds)
-    return a:cmds
-  endfunction
-endif
-
-function! s:shellesc_cmd(arg)
-  let escaped = substitute(a:arg, '[&|<>()@^]', '^&', 'g')
-  let escaped = substitute(escaped, '%', '%%', 'g')
-  let escaped = substitute(escaped, '"', '\\^&', 'g')
-  let escaped = substitute(escaped, '\(\\\+\)\(\\^\)', '\1\1\2', 'g')
-  return '^"'.substitute(escaped, '\(\\\+\)$', '\1\1', '').'^"'
-endfunction
-
-function! skim#shellescape(arg, ...)
-  let shell = get(a:000, 0, &shell)
-  if shell =~# 'cmd.exe$'
-    return s:shellesc_cmd(a:arg)
-  endif
-  return s:skim_call('shellescape', a:arg)
-endfunction
-
-function! s:skim_getcwd()
-  return s:skim_call('getcwd')
-endfunction
-
-function! s:skim_fnamemodify(fname, mods)
-  return s:skim_call('fnamemodify', a:fname, a:mods)
-endfunction
-
-function! s:skim_expand(fmt)
-  return s:skim_call('expand', a:fmt, 1)
-endfunction
-
-function! s:skim_tempname()
-  return s:skim_call('tempname')
-endfunction
-
-let s:default_layout = { 'down': '~40%' }
-let s:layout_keys = ['window', 'up', 'down', 'left', 'right']
-let s:skim_rs = s:base_dir.'/bin/sk'
-let s:skim_tmux = s:base_dir.'/bin/sk-tmux'
-let s:install = s:base_dir.'/install'
-let s:installed = 0
-
-let s:cpo_save = &cpo
-set cpo&vim
-
-function! s:skim_exec()
-  if !exists('s:exec')
-    if executable(s:skim_rs)
-      let s:exec = s:skim_rs
-    elseif executable('sk')
-      let s:exec = 'sk'
-    elseif s:is_win && !has('win32unix')
-      call s:warn('skim not supported on Windows.')
-      throw 'skim executable not found'
-    elseif !s:installed && executable(s:install) &&
-          \ input('skim executable not found. Download binary? (y/n) ') =~? '^y'
-      redraw
-      echo
-      call s:warn('Downloading skim binary. Please wait ...')
-      let s:installed = 1
-      call system(s:install.' --bin')
-      return s:skim_exec()
-    else
-      redraw
-      throw 'skim executable not found'
-    endif
-  endif
-  return skim#shellescape(s:exec)
-endfunction
-
-function! s:tmux_enabled()
-  if has('gui_running')
-    return 0
-  endif
-
-  if exists('s:tmux')
-    return s:tmux
-  endif
-
-  let s:tmux = 0
-  if exists('$TMUX') && executable(s:skim_tmux)
-    let output = system('tmux -V')
-    let s:tmux = !v:shell_error && output >= 'tmux 1.7'
-  endif
-  return s:tmux
-endfunction
-
-function! s:escape(path)
-  let path = fnameescape(a:path)
-  return s:is_win ? escape(path, '$') : path
-endfunction
-
-" Upgrade legacy options
-function! s:upgrade(dict)
-  let copy = copy(a:dict)
-  if has_key(copy, 'tmux')
-    let copy.down = remove(copy, 'tmux')
-  endif
-  if has_key(copy, 'tmux_height')
-    let copy.down = remove(copy, 'tmux_height')
-  endif
-  if has_key(copy, 'tmux_width')
-    let copy.right = remove(copy, 'tmux_width')
-  endif
-  return copy
-endfunction
-
-function! s:error(msg)
-  echohl ErrorMsg
-  echom a:msg
-  echohl None
-endfunction
-
-function! s:warn(msg)
-  echohl WarningMsg
-  echom a:msg
-  echohl None
-endfunction
-
-function! s:has_any(dict, keys)
-  for key in a:keys
-    if has_key(a:dict, key)
-      return 1
-    endif
-  endfor
-  return 0
-endfunction
-
-function! s:open(cmd, target)
-  if stridx('edit', a:cmd) == 0 && s:skim_fnamemodify(a:target, ':p') ==# s:skim_expand('%:p')
-    return
-  endif
-  execute a:cmd s:escape(a:target)
-endfunction
-
-function! s:common_sink(action, lines) abort
-  if len(a:lines) < 2
-    return
-  endif
-  let key = remove(a:lines, 0)
-  let Cmd = get(a:action, key, 'e')
-  if type(Cmd) == type(function('call'))
-    return Cmd(a:lines)
-  endif
-  if len(a:lines) > 1
-    augroup skim_swap
-      autocmd SwapExists * let v:swapchoice='o'
-            \| call s:warn('skim: E325: swap file exists: '.s:skim_expand('<afile>'))
-    augroup END
-  endif
-  try
-    let empty = empty(s:skim_expand('%')) && line('$') == 1 && empty(getline(1)) && !&modified
-    let autochdir = &autochdir
-    set noautochdir
-    for item in a:lines
-      if empty
-        execute 'e' s:escape(item)
-        let empty = 0
-      else
-        call s:open(Cmd, item)
-      endif
-      if !has('patch-8.0.0177') && !has('nvim-0.2') && exists('#BufEnter')
-            \ && isdirectory(item)
-        doautocmd BufEnter
-      endif
-    endfor
-  catch /^Vim:Interrupt$/
-  finally
-    let &autochdir = autochdir
-    silent! autocmd! skim_swap
-  endtry
-endfunction
-
-function! s:get_color(attr, ...)
-  let gui = has('termguicolors') && &termguicolors
-  let fam = gui ? 'gui' : 'cterm'
-  let pat = gui ? '^#[a-f0-9]\+' : '^[0-9]\+$'
-  for group in a:000
-    let code = synIDattr(synIDtrans(hlID(group)), a:attr, fam)
-    if code =~? pat
-      return code
-    endif
-  endfor
-  return ''
-endfunction
-
-function! s:defaults()
-  let rules = copy(get(g:, 'skim_colors', {}))
-  let colors = join(map(items(filter(map(rules, 'call("s:get_color", v:val)'), '!empty(v:val)')), 'join(v:val, ":")'), ',')
-  return empty(colors) ? '' : ('--color='.colors)
-endfunction
-
-function! s:validate_layout(layout)
-  for key in keys(a:layout)
-    if index(s:layout_keys, key) < 0
-      throw printf('Invalid entry in g:skim_layout: %s (allowed: %s)%s',
-            \ key, join(s:layout_keys, ', '), key == 'options' ? '. Use $SKIM_DEFAULT_OPTIONS.' : '')
-    endif
-  endfor
-  return a:layout
-endfunction
-
-function! s:evaluate_opts(options)
-  return type(a:options) == type([]) ?
-        \ join(map(copy(a:options), 'skim#shellescape(v:val)')) : a:options
-endfunction
-
-" [name string,] [opts dict,] [fullscreen boolean]
-function! skim#wrap(...)
-  let args = ['', {}, 0]
-  let expects = map(copy(args), 'type(v:val)')
-  let tidx = 0
-  for arg in copy(a:000)
-    let tidx = index(expects, type(arg), tidx)
-    if tidx < 0
-      throw 'Invalid arguments (expected: [name string] [opts dict] [fullscreen boolean])'
-    endif
-    let args[tidx] = arg
-    let tidx += 1
-    unlet arg
-  endfor
-  let [name, opts, bang] = args
-
-  if len(name)
-    let opts.name = name
-  end
-
-  " Layout: g:skim_layout (and deprecated g:skim_height)
-  if bang
-    for key in s:layout_keys
-      if has_key(opts, key)
-        call remove(opts, key)
-      endif
-    endfor
-  elseif !s:has_any(opts, s:layout_keys)
-    if !exists('g:skim_layout') && exists('g:skim_height')
-      let opts.down = g:skim_height
-    else
-      let opts = extend(opts, s:validate_layout(get(g:, 'skim_layout', s:default_layout)))
-    endif
-  endif
-
-  " Colors: g:skim_colors
-  let opts.options = s:defaults() .' '. s:evaluate_opts(get(opts, 'options', ''))
-
-  " History: g:skim_history_dir
-  if len(name) && len(get(g:, 'skim_history_dir', ''))
-    let dir = s:skim_expand(g:skim_history_dir)
-    if !isdirectory(dir)
-      call mkdir(dir, 'p')
-    endif
-    let history = skim#shellescape(dir.'/'.name)
-    let cmd_history = skim#shellescape(dir.'/cmd-'.name)
-    let opts.options = join(['--history', history, '--cmd-history', cmd_history, opts.options])
-  endif
-
-  " Action: g:skim_action
-  if !s:has_any(opts, ['sink', 'sink*'])
-    let opts._action = get(g:, 'skim_action', s:default_action)
-    let opts.options .= ' --expect='.join(keys(opts._action), ',')
-    function! opts.sink(lines) abort
-      return s:common_sink(self._action, a:lines)
-    endfunction
-    let opts['sink*'] = remove(opts, 'sink')
-  endif
-
-  return opts
-endfunction
-
-function! s:use_sh()
-  let [shell, shellslash] = [&shell, &shellslash]
-  if s:is_win
-    set shell=cmd.exe
-    set noshellslash
-  else
-    set shell=sh
-  endif
-  return [shell, shellslash]
-endfunction
-
-function! skim#run(...) abort
-try
-  let [shell, shellslash] = s:use_sh()
-
-  let dict   = exists('a:1') ? s:upgrade(a:1) : {}
-  let temps  = { 'result': s:skim_tempname() }
-  let optstr = s:evaluate_opts(get(dict, 'options', ''))
-  try
-    let skim_exec = s:skim_exec()
-  catch
-    throw v:exception
-  endtry
-
-  if !has_key(dict, 'dir')
-    let dict.dir = s:skim_getcwd()
-  endif
-  if has('win32unix') && has_key(dict, 'dir')
-    let dict.dir = fnamemodify(dict.dir, ':p')
-  endif
-
-  if !has_key(dict, 'source') && !empty($SKIM_DEFAULT_COMMAND) && !s:is_win
-    let temps.source = s:skim_tempname()
-    call writefile(s:wrap_cmds(split($SKIM_DEFAULT_COMMAND, "\n")), temps.source)
-    let dict.source = (empty($SHELL) ? &shell : $SHELL).' '.skim#shellescape(temps.source)
-  endif
-
-  if has_key(dict, 'source')
-    let source = dict.source
-    let type = type(source)
-    if type == 1
-      let prefix = '( '.source.' )|'
-    elseif type == 3
-      let temps.input = s:skim_tempname()
-      call writefile(source, temps.input)
-      let prefix = (s:is_win ? 'type ' : 'cat ').skim#shellescape(temps.input).'|'
-    else
-      throw 'Invalid source type'
-    endif
-  else
-    let prefix = ''
-  endif
-
-  let prefer_tmux = get(g:, 'skim_prefer_tmux', 0)
-  let use_height = has_key(dict, 'down') && !has('gui_running') &&
-        \ !(has('nvim') || s:is_win || has('win32unix') || s:present(dict, 'up', 'left', 'right', 'window')) &&
-        \ executable('tput') && filereadable('/dev/tty')
-  let has_vim8_term = has('terminal') && has('patch-8.0.995')
-  let has_nvim_term = has('nvim-0.2.1') || has('nvim') && !s:is_win
-  let use_term = has_nvim_term ||
-    \ has_vim8_term && !has('win32unix') && (has('gui_running') || s:is_win || !use_height && s:present(dict, 'down', 'up', 'left', 'right', 'window'))
-  let use_tmux = (!use_height && !use_term || prefer_tmux) && !has('win32unix') && s:tmux_enabled() && s:splittable(dict)
-  if prefer_tmux && use_tmux
-    let use_height = 0
-    let use_term = 0
-  endif
-  if use_height
-    let height = s:calc_size(&lines, dict.down, dict)
-    let optstr .= ' --height='.height
-  elseif use_term
-    let optstr .= ' --no-height'
-  endif
-  let command = prefix.(use_tmux ? s:skim_tmux(dict) : skim_exec).' '.optstr.' > '.temps.result
-
-  if use_term
-    return s:execute_term(dict, command, temps)
-  endif
-
-  let lines = use_tmux ? s:execute_tmux(dict, command, temps)
-                 \ : s:execute(dict, command, use_height, temps)
-  call s:callback(dict, lines)
-  return lines
-finally
-  let [&shell, &shellslash] = [shell, shellslash]
-endtry
-endfunction
-
-function! s:present(dict, ...)
-  for key in a:000
-    if !empty(get(a:dict, key, ''))
-      return 1
-    endif
-  endfor
-  return 0
-endfunction
-
-function! s:skim_tmux(dict)
-  let size = ''
-  for o in ['up', 'down', 'left', 'right']
-    if s:present(a:dict, o)
-      let spec = a:dict[o]
-      if (o == 'up' || o == 'down') && spec[0] == '~'
-        let size = '-'.o[0].s:calc_size(&lines, spec, a:dict)
-      else
-        " Legacy boolean option
-        let size = '-'.o[0].(spec == 1 ? '' : substitute(spec, '^\~', '', ''))
-      endif
-      break
-    endif
-  endfor
-  return printf('LINES=%d COLUMNS=%d %s %s %s --',
-    \ &lines, &columns, skim#shellescape(s:skim_tmux), size, (has_key(a:dict, 'source') ? '' : '-'))
-endfunction
-
-function! s:splittable(dict)
-  return s:present(a:dict, 'up', 'down') && &lines > 15 ||
-        \ s:present(a:dict, 'left', 'right') && &columns > 40
-endfunction
-
-function! s:pushd(dict)
-  if s:present(a:dict, 'dir')
-    let cwd = s:skim_getcwd()
-    let w:skim_pushd = {
-    \   'command': haslocaldir() ? 'lcd' : (exists(':tcd') && haslocaldir(-1) ? 'tcd' : 'cd'),
-    \   'origin': cwd
-    \ }
-    execute 'lcd' s:escape(a:dict.dir)
-    let cwd = s:skim_getcwd()
-    let w:skim_pushd.dir = cwd
-    let a:dict.pushd = w:skim_pushd
-    return cwd
-  endif
-  return ''
-endfunction
-
-augroup skim_popd
-  autocmd!
-  autocmd WinEnter * call s:dopopd()
-augroup END
-
-function! s:dopopd()
-  if !exists('w:skim_pushd')
-    return
-  endif
-
-  " FIXME: We temporarily change the working directory to 'dir' entry
-  " of options dictionary (set to the current working directory if not given)
-  " before running skim.
-  "
-  " e.g. call skim#run({'dir': '/tmp', 'source': 'ls', 'sink': 'e'})
-  "
-  " After processing the sink function, we have to restore the current working
-  " directory. But doing so may not be desirable if the function changed the
-  " working directory on purpose.
-  "
-  " So how can we tell if we should do it or not? A simple heuristic we use
-  " here is that we change directory only if the current working directory
-  " matches 'dir' entry. However, it is possible that the sink function did
-  " change the directory to 'dir'. In that case, the user will have an
-  " unexpected result.
-  if s:skim_getcwd() ==# w:skim_pushd.dir
-    execute w:skim_pushd.command s:escape(w:skim_pushd.origin)
-  endif
-  unlet w:skim_pushd
-endfunction
-
-function! s:xterm_launcher()
-  let fmt = 'xterm -T "[skim]" -bg "\%s" -fg "\%s" -geometry %dx%d+%d+%d -e bash -ic %%s'
-  if has('gui_macvim')
-    let fmt .= '&& osascript -e "tell application \"MacVim\" to activate"'
-  endif
-  return printf(fmt,
-    \ synIDattr(hlID("Normal"), "bg"), synIDattr(hlID("Normal"), "fg"),
-    \ &columns, &lines/2, getwinposx(), getwinposy())
-endfunction
-unlet! s:launcher
-if s:is_win || has('win32unix')
-  let s:launcher = '%s'
-else
-  let s:launcher = function('s:xterm_launcher')
-endif
-
-function! s:exit_handler(code, command, ...)
-  if a:code == 130
-    return 0
-  elseif a:code > 1
-    call s:error('Error running ' . a:command)
-    if !empty(a:000)
-      sleep
-    endif
-    return 0
-  endif
-  return 1
-endfunction
-
-function! s:execute(dict, command, use_height, temps) abort
-  call s:pushd(a:dict)
-  if has('unix') && !a:use_height
-    silent! !clear 2> /dev/null
-  endif
-  let escaped = (a:use_height || s:is_win) ? a:command : escape(substitute(a:command, '\n', '\\n', 'g'), '%#!')
-  if has('gui_running')
-    let Launcher = get(a:dict, 'launcher', get(g:, 'Skim_launcher', get(g:, 'skim_launcher', s:launcher)))
-    let fmt = type(Launcher) == 2 ? call(Launcher, []) : Launcher
-    if has('unix')
-      let escaped = "'".substitute(escaped, "'", "'\"'\"'", 'g')."'"
-    endif
-    let command = printf(fmt, escaped)
-  else
-    let command = escaped
-  endif
-  if s:is_win
-    let batchfile = s:skim_tempname().'.bat'
-    call writefile(s:wrap_cmds(command), batchfile)
-    let command = batchfile
-    let a:temps.batchfile = batchfile
-    if has('nvim')
-      let skim = {}
-      let skim.dict = a:dict
-      let skim.temps = a:temps
-      function! skim.on_exit(job_id, exit_status, event) dict
-        call s:pushd(self.dict)
-        let lines = s:collect(self.temps)
-        call s:callback(self.dict, lines)
-      endfunction
-      let cmd = 'start /wait cmd /c '.command
-      call jobstart(cmd, skim)
-      return []
-    endif
-  elseif has('win32unix') && $TERM !=# 'cygwin'
-    let shellscript = s:skim_tempname()
-    call writefile([command], shellscript)
-    let command = 'cmd.exe /C '.skim#shellescape('set "TERM=" & start /WAIT sh -c '.shellscript)
-    let a:temps.shellscript = shellscript
-  endif
-  if a:use_height
-    let stdin = has_key(a:dict, 'source') ? '' : '< /dev/tty'
-    call system(printf('tput cup %d > /dev/tty; tput cnorm > /dev/tty; %s %s 2> /dev/tty', &lines, command, stdin))
-  else
-    execute 'silent !'.command
-  endif
-  let exit_status = v:shell_error
-  redraw!
-  return s:exit_handler(exit_status, command) ? s:collect(a:temps) : []
-endfunction
-
-function! s:execute_tmux(dict, command, temps) abort
-  let command = a:command
-  let cwd = s:pushd(a:dict)
-  if len(cwd)
-    " -c '#{pane_current_path}' is only available on tmux 1.9 or above
-    let command = join(['cd', skim#shellescape(cwd), '&&', command])
-  endif
-
-  call system(command)
-  let exit_status = v:shell_error
-  redraw!
-  return s:exit_handler(exit_status, command) ? s:collect(a:temps) : []
-endfunction
-
-function! s:calc_size(max, val, dict)
-  let val = substitute(a:val, '^\~', '', '')
-  if val =~ '%$'
-    let size = a:max * str2nr(val[:-2]) / 100
-  else
-    let size = min([a:max, str2nr(val)])
-  endif
-
-  let srcsz = -1
-  if type(get(a:dict, 'source', 0)) == type([])
-    let srcsz = len(a:dict.source)
-  endif
-
-  let opts = s:evaluate_opts(get(a:dict, 'options', '')).$SKIM_DEFAULT_OPTIONS
-  let margin = stridx(opts, '--inline-info') > stridx(opts, '--no-inline-info') ? 1 : 2
-  let margin += stridx(opts, '--header') > stridx(opts, '--no-header')
-  return srcsz >= 0 ? min([srcsz + margin, size]) : size
-endfunction
-
-function! s:getpos()
-  return {'tab': tabpagenr(), 'win': winnr(), 'cnt': winnr('$'), 'tcnt': tabpagenr('$')}
-endfunction
-
-function! s:split(dict)
-  let directions = {
-  \ 'up':    ['topleft', 'resize', &lines],
-  \ 'down':  ['botright', 'resize', &lines],
-  \ 'left':  ['vertical topleft', 'vertical resize', &columns],
-  \ 'right': ['vertical botright', 'vertical resize', &columns] }
-  let ppos = s:getpos()
-  try
-    if s:present(a:dict, 'window')
-      execute 'keepalt' a:dict.window
-    elseif !s:splittable(a:dict)
-      execute (tabpagenr()-1).'tabnew'
-    else
-      for [dir, triple] in items(directions)
-        let val = get(a:dict, dir, '')
-        if !empty(val)
-          let [cmd, resz, max] = triple
-          if (dir == 'up' || dir == 'down') && val[0] == '~'
-            let sz = s:calc_size(max, val, a:dict)
-          else
-            let sz = s:calc_size(max, val, {})
-          endif
-          execute cmd sz.'new'
-          execute resz sz
-          return [ppos, {}]
-        endif
-      endfor
-    endif
-    return [ppos, { '&l:wfw': &l:wfw, '&l:wfh': &l:wfh }]
-  finally
-    setlocal winfixwidth winfixheight
-  endtry
-endfunction
-
-function! s:execute_term(dict, command, temps) abort
-  let winrest = winrestcmd()
-  let pbuf = bufnr('')
-  let [ppos, winopts] = s:split(a:dict)
-  call s:use_sh()
-  let b:skim = a:dict
-  let skim = { 'buf': bufnr(''), 'pbuf': pbuf, 'ppos': ppos, 'dict': a:dict, 'temps': a:temps,
-            \ 'winopts': winopts, 'winrest': winrest, 'lines': &lines,
-            \ 'columns': &columns, 'command': a:command }
-  function! skim.switch_back(inplace)
-    if a:inplace && bufnr('') == self.buf
-      if bufexists(self.pbuf)
-        execute 'keepalt b' self.pbuf
-      endif
-      " No other listed buffer
-      if bufnr('') == self.buf
-        enew
-      endif
-    endif
-  endfunction
-  function! skim.on_exit(id, code, ...)
-    if s:getpos() == self.ppos " {'window': 'enew'}
-      for [opt, val] in items(self.winopts)
-        execute 'let' opt '=' val
-      endfor
-      call self.switch_back(1)
-    else
-      if bufnr('') == self.buf
-        " We use close instead of bd! since Vim does not close the split when
-        " there's no other listed buffer (nvim +'set nobuflisted')
-        close
-      endif
-      execute 'tabnext' self.ppos.tab
-      execute self.ppos.win.'wincmd w'
-    endif
-
-    if bufexists(self.buf)
-      execute 'bd!' self.buf
-    endif
-
-    if &lines == self.lines && &columns == self.columns && s:getpos() == self.ppos
-      execute self.winrest
-    endif
-
-    if !s:exit_handler(a:code, self.command, 1)
-      return
-    endif
-
-    call s:pushd(self.dict)
-    let lines = s:collect(self.temps)
-    call s:callback(self.dict, lines)
-    call self.switch_back(s:getpos() == self.ppos)
-  endfunction
-
-  try
-    call s:pushd(a:dict)
-    if s:is_win
-      let skim.temps.batchfile = s:skim_tempname().'.bat'
-      call writefile(s:wrap_cmds(a:command), skim.temps.batchfile)
-      let command = skim.temps.batchfile
-    else
-      let command = a:command
-    endif
-    let command .= s:term_marker
-    if has('nvim')
-      call termopen(command, skim)
-    else
-      let skim.buf = term_start([&shell, &shellcmdflag, command], {'curwin': 1, 'exit_cb': function(skim.on_exit)})
-      if !has('patch-8.0.1261') && !has('nvim') && !s:is_win
-        call term_wait(skim.buf, 20)
-      endif
-    endif
-  finally
-    call s:dopopd()
-  endtry
-  setlocal nospell bufhidden=wipe nobuflisted nonumber
-  setf skim
-  startinsert
-  return []
-endfunction
-
-function! s:collect(temps) abort
-  try
-    return filereadable(a:temps.result) ? readfile(a:temps.result) : []
-  finally
-    for tf in values(a:temps)
-      silent! call delete(tf)
-    endfor
-  endtry
-endfunction
-
-function! s:callback(dict, lines) abort
-  let popd = has_key(a:dict, 'pushd')
-  if popd
-    let w:skim_pushd = a:dict.pushd
-  endif
-
-  try
-    if has_key(a:dict, 'sink')
-      for line in a:lines
-        if type(a:dict.sink) == 2
-          call a:dict.sink(line)
-        else
-          execute a:dict.sink s:escape(line)
-        endif
-      endfor
-    endif
-    if has_key(a:dict, 'sink*')
-      call a:dict['sink*'](a:lines)
-    endif
-  catch
-    if stridx(v:exception, ':E325:') < 0
-      echoerr v:exception
-    endif
-  endtry
-
-  " We may have opened a new window or tab
-  if popd
-    let w:skim_pushd = a:dict.pushd
-    call s:dopopd()
-  endif
-endfunction
-
-let s:default_action = {
-  \ 'ctrl-t': 'tab split',
-  \ 'ctrl-x': 'split',
-  \ 'ctrl-v': 'vsplit' }
-
-function! s:shortpath()
-  let short = fnamemodify(getcwd(), ':~:.')
-  if !has('win32unix')
-    let short = pathshorten(short)
-  endif
-  let slash = (s:is_win && !&shellslash) ? '\' : '/'
-  return empty(short) ? '~'.slash : short . (short =~ escape(slash, '\').'$' ? '' : slash)
-endfunction
-
-function! s:cmd(bang, ...) abort
-  let args = copy(a:000)
-  let opts = { 'options': ['--multi'] }
-  if len(args) && isdirectory(expand(args[-1]))
-    let opts.dir = substitute(substitute(remove(args, -1), '\\\(["'']\)', '\1', 'g'), '[/\\]*$', '/', '')
-    if s:is_win && !&shellslash
-      let opts.dir = substitute(opts.dir, '/', '\\', 'g')
-    endif
-    let prompt = opts.dir
-  else
-    let prompt = s:shortpath()
-  endif
-  let prompt = strwidth(prompt) < &columns - 20 ? prompt : '> '
-  call extend(opts.options, ['--prompt', prompt])
-  call extend(opts.options, args)
-  call skim#run(skim#wrap('SKIM', opts, a:bang))
-endfunction
-
-command! -nargs=* -complete=dir -bang SK call s:cmd(<bang>0, <f-args>)
-
-let &cpo = s:cpo_save
-unlet s:cpo_save
diff --git a/vim/pack/snippets/start/ultisnips b/vim/pack/snippets/start/ultisnips
deleted file mode 160000
index ee31ea1..0000000
--- a/vim/pack/snippets/start/ultisnips
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit ee31ea1c7d08ced8577120b4c1d55c5a05351a75
diff --git a/vim/pack/snippets/start/vim-snippets b/vim/pack/snippets/start/vim-snippets
deleted file mode 160000
index b62dfce..0000000
--- a/vim/pack/snippets/start/vim-snippets
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit b62dfce8449d8a8196720ddd3cfecbca8bb7fe45