net: bridge: mcast: remove unused br_ip_equal function

Since the mcast conversion to rhashtable this function has been unused, so
remove it.
Signed-off-by: NNikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/bridge/br_multicast.c

@@ -65,23 +65,6 @@ static void br_ip6_multicast_leave_group(struct net_bridge *br,
 					 __u16 vid, const unsigned char *src);
 #endif
 
-static inline int br_ip_equal(const struct br_ip *a, const struct br_ip *b)
-{
-	if (a->proto != b->proto)
-		return 0;
-	if (a->vid != b->vid)
-		return 0;
-	switch (a->proto) {
-	case htons(ETH_P_IP):
-		return a->u.ip4 == b->u.ip4;
-#if IS_ENABLED(CONFIG_IPV6)
-	case htons(ETH_P_IPV6):
-		return ipv6_addr_equal(&a->u.ip6, &b->u.ip6);
-#endif
-	}
-	return 0;
-}
-
 static struct net_bridge_mdb_entry *br_mdb_ip_get_rcu(struct net_bridge *br,
 						      struct br_ip *dst)
 {