RDMA/cm: Delete unused cm_is_active_peer function

Function cm_is_active_peer is not used, delete it.

Link: https://lore.kernel.org/r/20191020071559.9743-2-leon@kernel.orgSigned-off-by: NLeon Romanovsky <leonro@mellanox.com>
Reviewed-by: NJason Gunthorpe <jgg@mellanox.com>
Signed-off-by: NJason Gunthorpe <jgg@mellanox.com>

drivers/infiniband/core/cm.c

@@ -1525,14 +1525,6 @@ static int cm_issue_rej(struct cm_port *port,
 	return ret;
 }
 
-static inline int cm_is_active_peer(__be64 local_ca_guid, __be64 remote_ca_guid,
-				    __be32 local_qpn, __be32 remote_qpn)
-{
-	return (be64_to_cpu(local_ca_guid) > be64_to_cpu(remote_ca_guid) ||
-		((local_ca_guid == remote_ca_guid) &&
-		 (be32_to_cpu(local_qpn) > be32_to_cpu(remote_qpn))));
-}
-
 static bool cm_req_has_alt_path(struct cm_req_msg *req_msg)
 {
 	return ((req_msg->alt_local_lid) ||