scsi: target/iscsi: Remove an incorrect comment

The single iscsit_start_nopin_response_timer() caller does not hold any
locks. Hence remove the comment above this function.

Cc: Nicholas Bellinger <nab@linux-iscsi.org>
Cc: Mike Christie <mchristi@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.de>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/target/iscsi/iscsi_target_util.c

@@ -956,9 +956,6 @@ void iscsit_mod_nopin_response_timer(struct iscsi_conn *conn)
 	spin_unlock_bh(&conn->nopin_timer_lock);
 }
 
-/*
- *	Called with conn->nopin_timer_lock held.
- */
 void iscsit_start_nopin_response_timer(struct iscsi_conn *conn)
 {
 	struct iscsi_session *sess = conn->sess;