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/surgery/organs/organ_external.dm

@@ -171,7 +171,7 @@
 		return ..()
 	var/mob/living/carbon/human/C = M
 	if(is_robotic() && HAS_TRAIT(C, TRAIT_IPC_JOINTS_MAG) && isnull(C.bodyparts_by_name[limb_name]))
-		user.unEquip(src)
+		user.drop_item_to_ground(src)
 		replaced(C)
 		C.update_body()
 		C.updatehealth()
@@ -749,12 +749,12 @@ Note that amputating the affected organ does in fact remove the infection from t
 		holder.visible_message(\
 			"\The [holder.handcuffed.name] falls off of [holder.name].",\
 			"\The [holder.handcuffed.name] falls off you.")
-		holder.unEquip(holder.handcuffed)
+		holder.drop_item_to_ground(holder.handcuffed)
 	if(holder.legcuffed && (body_part in list(FOOT_LEFT, FOOT_RIGHT, LEG_LEFT, LEG_RIGHT)))
 		holder.visible_message(\
 			"\The [holder.legcuffed.name] falls off of [holder.name].",\
 			"\The [holder.legcuffed.name] falls off you.")
-		holder.unEquip(holder.legcuffed)
+		holder.drop_item_to_ground(holder.legcuffed)
 
 /obj/item/organ/external/proc/fracture(silent = FALSE)
 	if(is_robotic())