Revert "[SHOULD BE DONE BUT LETS TESTMERGE FIRST] TG SYNC"

code/modules/keybindings/focus.dm

@@ -1,20 +0,0 @@
-/datum
-	var/list/focusers //Only initialized when needed. Contains a list of mobs focusing on this.
-
-/mob
-	var/datum/focus //What receives our keyboard inputs. src by default
-
-/mob/proc/set_focus(datum/new_focus)
-	if(focus == new_focus)
-		return
-
-	if(new_focus)
-		if(!new_focus.focusers) //Set up the new focus
-			new_focus.focusers = list()
-		new_focus.focusers += src
-
-	if(focus)
-		focus.focusers -= src //Tell the old focus we're done with it
-
-	focus = new_focus
-	reset_perspective(focus) //Maybe this should be done manually? You figure it out, reader