RDMA/rtrs-clt: Remove outdated comment in create_con_cq_qp

As run destroy_con_cq_qp many times doesn't work, remove the comments.

Fixes: 6a98d71d ("RDMA/rtrs: client: main functionality")
Link: https://lore.kernel.org/r/20201023074353.21946-3-jinpu.wang@cloud.ionos.comSuggested-by: Gioh Kim <gi-oh.kim@cloud.ionos.com>
Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/ulp/rtrs/rtrs-clt.c

@@ -1520,15 +1520,6 @@ static int create_con_cq_qp(struct rtrs_clt_con *con)
 	int err, cq_vector;
 	struct rtrs_msg_rkey_rsp *rsp;
 
-	/*
-	 * This function can fail, but still destroy_con_cq_qp() should
-	 * be called, this is because create_con_cq_qp() is called on cm
-	 * event path, thus caller/waiter never knows: have we failed before
-	 * create_con_cq_qp() or after.  To solve this dilemma without
-	 * creating any additional flags just allow destroy_con_cq_qp() be
-	 * called many times.
-	 */
-
 	if (con->c.cid == 0) {
 		/*
 		 * One completion for each receive and two for each send