team: remove unused rcu_head field from team_port struct

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/linux/if_team.h

@@ -60,7 +60,6 @@ struct team_port {
 		unsigned int mtu;
 	} orig;
 
-	struct rcu_head rcu;
 	long mode_priv[0];
 };