RDMA/rxe: remove the unnecessary variable

In the struct rxe_qp, the variable send_pkts is never used.  So remove it.

Link: https://lore.kernel.org/r/20210915075128.482919-1-yanjun.zhu@intel.comSigned-off-by: Zhu Yanjun <zyjzyj2000@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/sw/rxe/rxe_qp.c

@@ -190,8 +190,6 @@ static void rxe_qp_init_misc(struct rxe_dev *rxe, struct rxe_qp *qp,
 
 	INIT_LIST_HEAD(&qp->grp_list);
 
-	skb_queue_head_init(&qp->send_pkts);
-
 	spin_lock_init(&qp->grp_lock);
 	spin_lock_init(&qp->state_lock);
 

drivers/infiniband/sw/rxe/rxe_verbs.h

@@ -240,7 +240,6 @@ struct rxe_qp {
 
 	struct sk_buff_head	req_pkts;
 	struct sk_buff_head	resp_pkts;
-	struct sk_buff_head	send_pkts;
 
 	struct rxe_req_info	req;
 	struct rxe_comp_info	comp;