Refactored gibbing and slipping for carbon mobs, entirely removed mutantrace var. This commit is only partial, following commits are contiguous to it (lol this is atomic right)

code/game/objects/items/weapons/cards_ids.dm

@@ -102,6 +102,7 @@
 		/obj/machinery/door,
 		/obj/machinery/telecomms,
 		/obj/machinery/mecha_part_fabricator,
+		/obj/machinery/gibber,
 		/obj/vehicle
 		)
 

code/game/objects/items/weapons/clown_items.dm

@@ -9,31 +9,16 @@
  * Banana Peals
  */
 /obj/item/weapon/bananapeel/Crossed(AM as mob|obj)
-	if (istype(AM, /mob/living/carbon))
-		var/mob/M =	AM
-		if (istype(M, /mob/living/carbon/human) && (isobj(M:shoes) && M:shoes.flags&NOSLIP) || M.buckled)
-			return
-
-		M.stop_pulling()
-		M << "\blue You slipped on the [name]!"
-		playsound(src.loc, 'sound/misc/slip.ogg', 50, 1, -3)
-		M.Stun(4)
-		M.Weaken(2)
-
+	if (istype(AM, /mob/living))
+		var/mob/living/M = AM
+		M.slip("the [src.name]",4)
 /*
  * Soap
  */
 /obj/item/weapon/soap/Crossed(AM as mob|obj) //EXACTLY the same as bananapeel for now, so it makes sense to put it in the same dm -- Urist
-	if (istype(AM, /mob/living/carbon))
-		var/mob/M =	AM
-		if (istype(M, /mob/living/carbon/human) && (isobj(M:shoes) && M:shoes.flags&NOSLIP) || M.buckled)
-			return
-
-		M.stop_pulling()
-		M << "\blue You slipped on the [name]!"
-		playsound(src.loc, 'sound/misc/slip.ogg', 50, 1, -3)
-		M.Stun(3)
-		M.Weaken(2)
+	if (istype(AM, /mob/living))
+		var/mob/living/M =	AM
+		M.slip("the [src.name]",3)
 
 /obj/item/weapon/soap/afterattack(atom/target, mob/user as mob, proximity)
 	if(!proximity) return