scsi: target: srp, vscsi, sbp, qla: use target_remove_session

This converts the drivers that called transport_deregister_session_configfs
and then immediately called transport_deregister_session to use
target_remove_session.

Signed-off-by: Mike Christie <mchristi@redhat.com>
Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Chris Boot <bootc@bootc.net>
Cc: Bryant G. Ly <bryantly@linux.vnet.ibm.com>
Cc: Michael Cyr <mikecyr@linux.vnet.ibm.com>
Cc: <qla2xxx-upstream@qlogic.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/infiniband/ulp/srpt/ib_srpt.c

@@ -2029,8 +2029,7 @@ static void srpt_release_channel_work(struct work_struct *w)
 	target_sess_cmd_list_set_waiting(se_sess);
 	target_wait_for_sess_cmds(se_sess);
 
-	transport_deregister_session_configfs(se_sess);
-	transport_deregister_session(se_sess);
+	target_remove_session(se_sess);
 	ch->sess = NULL;
 
 	if (ch->using_rdma_cm)