zebra: remove if_table from the zebra NS

Finish removing the if_table from the zebra NS struct.

Signed-off-by: Mark Stapp <[email protected]>

zebra/zebra_ns.c

@@ -234,7 +234,6 @@ static int zebra_ns_new(struct ns *ns)
 	zns->ns_id = ns->ns_id;
 
 	/* Do any needed per-NS data structure allocation. */
-	zns->if_table = route_table_init();
 	ifp_tree_init(&zns->ifp_tree);
 
 	return 0;
@@ -334,10 +333,6 @@ int zebra_ns_enable(ns_id_t ns_id, void **info)
  */
 static int zebra_ns_disable_internal(struct zebra_ns *zns, bool complete)
 {
-	if (zns->if_table)
-		route_table_finish(zns->if_table);
-	zns->if_table = NULL;
-
 	zebra_dplane_ns_enable(zns, false /*Disable*/);
 
 	kernel_terminate(zns, complete);

zebra/zebra_ns.h

@@ -67,8 +67,6 @@ struct zebra_ns {
 	struct nlsock ge_netlink_cmd; /* command channel for generic netlink */
 #endif
 
-	struct route_table *if_table;
-
 	/* Tree of interfaces in this ns */
 	struct ifp_tree_head ifp_tree;