Removes the datum pool, as it is not performant.

* Creating new objects is cheap, in fact comparable to the cost of getting it out of the pool, so it doesn't help there.
* Placing items in the pool is far more expensive than letting them garbage collect due to the resetting of vars and such.

code/_onclick/hud/ability_screen_objects.dm

@@ -32,11 +32,6 @@
 			my_mob.client.screen -= src
 		my_mob = null
 
-/obj/screen/movable/ability_master/ResetVars()
-	..("ability_objects", args)
-	remove_all_abilities()
-//	ability_objects = list()
-
 /obj/screen/movable/ability_master/MouseDrop()
 	if(showing)
 		return

code/_onclick/hud/fullscreen.dm

@@ -20,7 +20,7 @@
             return null
 
     if(!screen)
-        screen = PoolOrNew(type)
+        screen = new type()
 
     screen.icon_state = "[initial(screen.icon_state)][severity]"
     screen.severity = severity

code/_onclick/hud/spell_screen_objects.dm

@@ -23,10 +23,6 @@
 			spell_holder.client.screen -= src
 		spell_holder = null
 
-/obj/screen/movable/spell_master/ResetVars()
-	..("spell_objects", args)
-	spell_objects = list()
-
 /obj/screen/movable/spell_master/MouseDrop()
 	if(showing)
 		return
@@ -93,7 +89,7 @@
 	if(spell.spell_flags & NO_BUTTON) //no button to add if we don't get one
 		return
 
-	var/obj/screen/spell/newscreen = PoolOrNew(/obj/screen/spell)
+	var/obj/screen/spell/newscreen = new /obj/screen/spell()
 	newscreen.spellmaster = src
 	newscreen.spell = spell
 

code/_onclick/telekinesis.dm

@@ -149,7 +149,7 @@ var/const/tk_maxrange = 15
 
 /obj/item/tk_grab/proc/apply_focus_overlay()
 	if(!focus)	return
-	var/obj/effect/overlay/O = PoolOrNew(/obj/effect/overlay, locate(focus.x,focus.y,focus.z))
+	var/obj/effect/overlay/O = new /obj/effect/overlay(locate(focus.x,focus.y,focus.z))
 	O.name = "sparkles"
 	O.anchored = 1
 	O.density = 0