Fix surgery breaking bones when performed correctly

I have to believe this is somehow misplaced. "Whoops!"

code/modules/surgery/encased.dm

@@ -103,10 +103,6 @@
 
 	affected.open = 3
 
-	// Whoops!
-	if(prob(10))
-		affected.fracture()
-
 /datum/surgery_step/open_encased/retract/fail_step(mob/living/user, mob/living/carbon/human/target, target_zone, obj/item/tool)
 	if (!hasorgans(target))
 		return