net_sched: Use default action lookup functions

Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/sched/act_nat.c

@@ -308,7 +308,6 @@ static struct tc_action_ops act_nat_ops = {
 	.act		=	tcf_nat,
 	.dump		=	tcf_nat_dump,
 	.cleanup	=	tcf_nat_cleanup,
-	.lookup		=	tcf_hash_search,
 	.init		=	tcf_nat_init,
 	.walk		=	tcf_generic_walker
 };