tipc: remove unused tipc_link_is_active

tipc_link_is_active is no longer used and can be removed.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/tipc/link.c b/net/tipc/link.c
index df763be..6987ffc 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -297,11 +297,6 @@ static bool link_is_bc_rcvlink(struct tipc_link *l)
 	return ((l->bc_rcvlink == l) && !link_is_bc_sndlink(l));
 }
 
-int tipc_link_is_active(struct tipc_link *l)
-{
-	return l->active;
-}
-
 void tipc_link_set_active(struct tipc_link *l, bool active)
 {
 	l->active = active;