tmux: move fish related settings to fish module

nix/homeModules/common/tmux/default.nix

@@ -2,12 +2,7 @@
 
 {
   programs.tmux.extraConfig =
-    ''
-      set -g default-command "${pkgs.fish}/bin/fish" # Use fish
-      set -g default-shell "${pkgs.fish}/bin/fish"
-    ''
-
-    + (builtins.readFile ./tmux.conf)
+    (builtins.readFile ./tmux.conf)
 
     + (lib.optionalString pkgs.stdenv.isDarwin ''
       bind-key -T copy-mode-vi 'y' send -X copy-pipe-and-cancel 'pbcopy'

nix/homeModules/common/tmux/tmux.conf

@@ -85,11 +85,6 @@ unbind Up
 bind [ swap-window -d -t -1
 bind ] swap-window -d -t +1
 
-# Prime says the find window is for chumps. Don't use the find window
-bind -n C-f run-shell "tmux neww fish -c tmux-sessionizer"
-bind -n C-g run-shell "fish -c tmux-home"
-bind s run-shell "fish -c tmux-last"
-
 # fast kill
 bind C-k confirm-before kill-session