inet: Consolidate inetpeer_invalidate_tree() interfaces.

We only need one interface for this operation, since we always know
which inetpeer root we want to flush.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/inetpeer.h b/include/net/inetpeer.h
index 5a96c8e..733edc6 100644
--- a/include/net/inetpeer.h
+++ b/include/net/inetpeer.h
@@ -113,8 +113,7 @@
 extern void inet_putpeer(struct inet_peer *p);
 extern bool inet_peer_xrlim_allow(struct inet_peer *peer, int timeout);
 
-extern void __inetpeer_invalidate_tree(struct inet_peer_base *);
-extern void inetpeer_invalidate_tree(struct net *net, int family);
+extern void inetpeer_invalidate_tree(struct inet_peer_base *);
 
 /*
  * temporary check to make sure we dont access rid, ip_id_count, tcp_ts,