Deletes focus zsh file

shells/zsh/includes/focus.zsh

@@ -1,33 +0,0 @@
-#Gain focus
-gain_focus(){
-	export HASFOCUS="true"
-	set_prompts
-	zle reset-prompt
-}
-zle -N gain_focus
-bindkey '\033[I' gain_focus # Gain Focus
-
-loose_focus(){
-	export HASFOCUS="false"
-	set_prompts
-	zle reset-prompt
-}
-zle -N loose_focus
-bindkey '\033[O' loose_focus # Loose Focus
-
-# Stop terminal from sending focus events before a process runs
-# This eliviates the issue of getting weird characters when a read (or similar) prompt is visible
-dont_listen_for_focus(){
-	printf '\033[?1004l'
-}
-add-zsh-hook preexec dont_listen_for_focus
-
-# Make the terminal send focus events again when the prompt is being drawn
-# This almost works, although, if a long running process finishes in the background, that terminal will still look like it has focus
-listen_for_focus(){
-	# This makes sc (and maybe other terminals?) send escape codes to the shell when focus is gained / lost
-	printf '\033[?1004h'
-}
-add-zsh-hook precmd listen_for_focus
-
-HASFOCUS="true"