Refactor /mob/unEquip. (#27720)

* Refactor /mob/unEquip.

* fix things found in testing

* more fixes from testing

* fix removal of hooded suits

* fix flayers inability to deploy swarmprod

* fix changeling blade activation

* unnecessary parens

* pass default unequip args to proc overrides

* fix belts being able to forceMove into full hands

code/modules/ruins/lavalandruin_code/ash_walker_den.dm

@@ -39,7 +39,7 @@
 			visible_message("<span class='warning'>Serrated tendrils eagerly pull [H] to [src], tearing the body apart as its blood seeps over the eggs.</span>")
 			playsound(get_turf(src),'sound/magic/demon_consume.ogg', 100, 1)
 			for(var/obj/item/W in H)
-				if(!H.unEquip(W))
+				if(!H.drop_item_to_ground(W))
 					qdel(W)
 			if(ismegafauna(H))
 				meat_counter += 20