Moves walls to item_interaction (#86661)

## About The Pull Request

Closes #86658

## Changelog
🆑
fix: Dismantling walls with plasma cutters works once more
/🆑

code/game/turfs/closed/walls.dm

@@ -237,23 +237,18 @@
 	playsound(src, 'sound/weapons/genhit.ogg', 25, TRUE)
 	add_fingerprint(user)
 
-/turf/closed/wall/attackby(obj/item/W, mob/user, params)
-	user.changeNext_move(CLICK_CD_MELEE)
+/turf/closed/wall/item_interaction(mob/living/user, obj/item/tool, list/modifiers)
 	if (!ISADVANCEDTOOLUSER(user))
 		to_chat(user, span_warning("You don't have the dexterity to do this!"))
-		return
-
-	//get the user's location
-	if(!isturf(user.loc))
-		return //can't do this stuff whilst inside objects and such
+		return ITEM_INTERACT_BLOCKING
 
 	add_fingerprint(user)
 
 	//the istype cascade has been spread among various procs for easy overriding
-	if(try_clean(W, user) || try_wallmount(W, user) || try_decon(W, user))
-		return
+	if(try_clean(tool, user) || try_wallmount(tool, user) || try_decon(tool, user))
+		return ITEM_INTERACT_SUCCESS
 
-	return ..()
+	return NONE
 
 /turf/closed/wall/proc/try_clean(obj/item/W, mob/living/user)
 	if((user.combat_mode) || !LAZYLEN(dent_decals))