Removed unused plugins and fixed the terminal option

tmux/tmux.conf

@@ -8,8 +8,6 @@ unbind C-b
 setw -g mouse on
 set-window-option -g mode-keys vi
 
-# colorful terminal
-set -g default-terminal "screen-256color"
 
 # Start windows and panes at 1, not 0 (this makes it easier to jump around)
 set -g base-index 1
@@ -30,15 +28,14 @@ set-window-option -g mode-keys vi
 # TPM
 set -g @plugin 'tmux-plugins/tpm'
 set -g @plugin 'tmux-plugins/tmux-sensible'
-set -g @plugin 'tmux-plugins/tmux-resurrect'
-set -g @plugin 'tmux-plugins/tmux-continuum'
 set -g @plugin 'tmux-plugins/tmux-yank'
 set -g @plugin 'tmux-plugins/tmux-pain-control'
 set -g @plugin 'tmux-plugins/tmux-copycat'
-set -g @plugin 'tmux-plugins/tmux-open'
 set -g @plugin 'jimeh/tmux-themepack'
-set -g @plugin 'arcticstudio/nord-tmux'
 
 set -g @themepack 'block/cyan'
 
 run '~/.tmux/plugins/tpm/tpm'
+
+# colorful terminal
+set -g default-terminal "xterm-256color"