Revert "Merge branch 'master' into Yeehaw"

This reverts commit 30e3edaac1, reversing
changes made to 62c8fce043.

code/game/objects/items/robot/robot_items.dm

@@ -11,9 +11,11 @@
 	var/charge_cost = 30
 
 /obj/item/borg/stun/attack(mob/living/M, mob/living/user)
-	if(M.check_shields(src, 0, "[M]'s [name]", MELEE_ATTACK))
-		playsound(M, 'sound/weapons/genhit.ogg', 50, 1)
-		return FALSE
+	if(ishuman(M))
+		var/mob/living/carbon/human/H = M
+		if(H.check_shields(src, 0, "[M]'s [name]", MELEE_ATTACK))
+			playsound(M, 'sound/weapons/genhit.ogg', 50, 1)
+			return FALSE
 	if(iscyborg(user))
 		var/mob/living/silicon/robot/R = user
 		if(!R.cell.use(charge_cost))