[NO GBP] powered sheath counter runtime removal (#95027)

## About The Pull Request

If you were armless, this would have runtimed, and not done anything.
now it doesnt do anything but without runtiming.

## Why It's Good For The Game

Runtime error

## Changelog

It does the same thing as before if you cant see the runtimes

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

@@ -793,6 +793,10 @@
 	var/obj/item/bodypart/worthless_hand = holder.get_active_hand()
 	if(!worthless_hand)
 		worthless_hand = holder.get_inactive_hand()
+		if(!worthless_hand)
+			holder.visible_message(span_danger("[holder]'s sheath misfires, sending their blade flying!"),
+									span_danger("Your sheath misfires, sending your blade flying!"))
+			return
 
 	if(IS_ROBOTIC_LIMB(worthless_hand) || !worthless_hand.dismember(BRUTE, FALSE, WOUND_BLUNT))
 		holder.visible_message(span_danger("[holder]'s arm is mutilated as they misfire [p_their(holder)] sheathed blade!"),