Partially ports the GLOB system

code/_onclick/hud/action.dm

@@ -31,7 +31,7 @@
 	if(owner)
 		Remove(owner)
 	target = null
-	qdel_null(button)
+	QDEL_NULL(button)
 	return ..()
 
 /datum/action/proc/Grant(mob/living/T)
@@ -48,7 +48,7 @@
 	if(button)
 		if(T.client)
 			T.client.screen -= button
-		qdel_null(button)
+		QDEL_NULL(button)
 	T.actions.Remove(src)
 	T.update_action_buttons()
 	owner = null

code/_onclick/telekinesis.dm

@@ -154,7 +154,7 @@ var/const/tk_maxrange = 15
 	O.anchored = 1
 	O.density = 0
 	O.layer = FLY_LAYER
-	O.set_dir(pick(cardinal))
+	O.set_dir(pick(GLOB.cardinal))
 	O.icon = 'icons/effects/effects.dmi'
 	O.icon_state = "nothing"
 	flick("empdisable",O)