Increase very low probability to escape grabs

This commit raises two probability values in resist code, namely for
resisting out of grabs. The previous probabilities were 25 and 5, they are
now 60 and 15.

code/modules/mob/living/living.dm

@@ -572,21 +572,21 @@
 	for(var/obj/item/weapon/grab/G in usr.grabbed_by)
 		resisting++
 		if (G.state == 1)
-			del(G)
+			qdel(G)
 
 		else
 			if(G.state == 2)
-				if(prob(25))
+				if(prob(60))
 					for(var/mob/O in viewers(L, null))
 						O.show_message(text("\red [] has broken free of []'s grip!", L, G.assailant), 1)
-					del(G)
+					qdel(G)
 
 			else
 				if(G.state == 3)
 					if(prob(5))
 						for(var/mob/O in viewers(usr, null))
 							O.show_message(text("\red [] has broken free of []'s headlock!", L, G.assailant), 1)
-						del(G)
+						qdel(G)
 
 	if(resisting)
 		for(var/mob/O in viewers(usr, null))