Cleaned up reference to outdated proc

Removed references to outdated get_equipped_items(). Still one left.
Removed unnecessary override for belts.

code/game/objects/items.dm

@@ -237,18 +237,6 @@
 /obj/item/proc/equipped(var/mob/user, var/slot)
 	return
 
-//returns 1 if the item is equipped by a mob, 0 otherwise.
-//This might need some error trapping, not sure if get_equipped_items() is safe for non-human mobs.
-/obj/item/proc/is_equipped()
-	if(!ismob(loc)) 
-		return 0
-	
-	var/mob/M = loc
-	if(src in M.get_equipped_items())
-		return 1
-	else
-		return 0
-
 //the mob M is attempting to equip this item into the slot passed through as 'slot'. Return 1 if it can do this and 0 if it can't.
 //If you are making custom procs but would like to retain partial or complete functionality of this one, include a 'return ..()' to where you want this to happen.
 //Set disable_warning to 1 if you wish it to not give you outputs.

code/game/objects/items/weapons/storage/belt.dm

@@ -8,30 +8,6 @@
 	slot_flags = SLOT_BELT
 	attack_verb = list("whipped", "lashed", "disciplined")
 
-
-/obj/item/weapon/storage/belt/proc/can_use()
-	return is_equipped()
-
-
-/obj/item/weapon/storage/belt/MouseDrop(obj/over_object as obj, src_location, over_location)
-	var/mob/M = usr
-	if(!istype(over_object, /obj/screen))
-		return ..()
-	if (src.use_sound)
-		playsound(src.loc, src.use_sound, 50, 1, -5)
-	if (!M.restrained() && !M.stat && can_use())
-		switch(over_object.name)
-			if("r_hand")
-				M.u_equip(src)
-				M.put_in_r_hand(src)
-			if("l_hand")
-				M.u_equip(src)
-				M.put_in_l_hand(src)
-		src.add_fingerprint(usr)
-		return
-
-
-
 /obj/item/weapon/storage/belt/utility
 	name = "tool-belt" //Carn: utility belt is nicer, but it bamboozles the text parsing.
 	desc = "Can hold various tools."

code/modules/clothing/spacesuits/alien.dm

@@ -206,10 +206,14 @@
 		user << "You relax your deathgrip on the flooring."
 	else
 		//make sure these can only be used when equipped.
-		if (!is_equipped())
+		if(!ishuman(user))
+			return
+		var/mob/living/carbon/human/H = user
+		if (H.shoes != src)
 			user << "You will have to put on the [src] before you can do that."
 			return
 		
+		
 		flags |= NOSLIP
 		magpulse = 1
 		canremove = 0	//kinda hard to take off magclaws when you are gripping them tightly.