[fish] Remove the VPN indicator

I’ve moved this to my polybar configuration instead.

fish/.config/fish/config.fish

@@ -24,11 +24,6 @@ function fish_prompt --description 'Write out the prompt'
         set color_host $fish_color_host_remote
     end
 
-    if test -e "$XDG_RUNTIME_DIR/openconnect_vpn.pid"
-        set_color -b red
-        echo -n -s "[VPN]" $normal
-    end
-
     # Write pipestatus
     set -l prompt_status (__fish_print_pipestatus " [" "]" "|" (set_color $fish_color_status) (set_color --bold $fish_color_status) $last_pipestatus)