Adds qdel defines (#33991)

* Adds qdel defines

* Adds qdel defines

* halfway through fixes

* rest of em

* fixes

* adds more

* list in action

---------

Co-authored-by: SECBATON GRIFFON <sage>

code/game/objects/structures/crates_lockers/closets/gimmick.dm

@@ -36,8 +36,7 @@
 
 /obj/structure/closet/cabinet/snow/Destroy()
 	..()
-	qdel(hanger_rail)
-	hanger_rail = null
+	QDEL_NULL(hanger_rail)
 
 /obj/structure/hanger_rail
 	icon = 'icons/obj/closet.dmi'

code/game/objects/structures/crates_lockers/crates.dm

@@ -655,8 +655,7 @@
 
 		if(user.drop_item(W))
 			to_chat(user, "<span class='notice'>You rig [src].</span>")
-			qdel(W)
-			W = null
+			QDEL_NULL(W)
 			rigged = 1
 		return
 	else if(istype(W, /obj/item/device/radio/electropack))