netlink: cleanup rntl_af_register

The function __rtnl_af_register is never called outside this
code, and the return value is always 0.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index 6526ac8..e74b6d53 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -481,9 +481,7 @@
 	int err;
 
 	br_mdb_init();
-	err = rtnl_af_register(&br_af_ops);
-	if (err)
-		goto out;
+	rtnl_af_register(&br_af_ops);
 
 	err = rtnl_link_register(&br_link_ops);
 	if (err)
@@ -493,7 +491,6 @@
 
 out_af:
 	rtnl_af_unregister(&br_af_ops);
-out:
 	br_mdb_uninit();
 	return err;
 }