ipv4: Remove tb_peers from fib_table.

No longer used.
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/ip_fib.h

@@ -162,7 +162,6 @@ struct fib_table {
 	u32			tb_id;
 	int			tb_default;
 	int			tb_num_default;
-	struct inet_peer_base	tb_peers;
 	unsigned long		tb_data[0];
 };
 

net/ipv4/fib_trie.c

@@ -1843,8 +1843,6 @@ int fib_table_flush(struct fib_table *tb)
 	if (ll && hlist_empty(&ll->list))
 		trie_leaf_remove(t, ll);
 
-	inetpeer_invalidate_tree(&tb->tb_peers);
-
 	pr_debug("trie_flush found=%d\n", found);
 	return found;
 }
@@ -1993,7 +1991,6 @@ struct fib_table *fib_trie_table(u32 id)
 	tb->tb_id = id;
 	tb->tb_default = -1;
 	tb->tb_num_default = 0;
-	inet_peer_base_init(&tb->tb_peers);
 
 	t = (struct trie *) tb->tb_data;
 	memset(t, 0, sizeof(*t));