ip: ip-lookup - remove the dead code

Type: refactor

Change-Id: I791cc63e989df049104420faf74fc28f965b6648
Signed-off-by: Neale Ranns <nranns@cisco.com>
diff --git a/src/vnet/ip/ip4_forward.c b/src/vnet/ip/ip4_forward.c
index 43213fe..210e8a5 100644
--- a/src/vnet/ip/ip4_forward.c
+++ b/src/vnet/ip/ip4_forward.c
@@ -92,10 +92,7 @@
 VLIB_NODE_FN (ip4_lookup_node) (vlib_main_t * vm, vlib_node_runtime_t * node,
 				vlib_frame_t * frame)
 {
-  return ip4_lookup_inline (vm, node, frame,
-			    /* lookup_for_responses_to_locally_received_packets */
-			    0);
-
+  return ip4_lookup_inline (vm, node, frame);
 }
 
 static u8 *format_ip4_lookup_trace (u8 * s, va_list * args);