[SCSI] ibmvfc, qla2xxx, lpfc: remove scsi_target_unblock calls in terminate callbacks

The fc class now calls scsi_target_unblock after calling the
terminate callback, so this patch removes the calls from the
drivers.

Signed-off-by: Mike Christie <[e-mail]>
Signed-off-by: James Bottomley <[e-mail]>

drivers/scsi/ibmvscsi/ibmvfc.c

···
 		spin_unlock_irqrestore(shost->host_lock, flags);
 	} else
 		ibmvfc_issue_fc_host_lip(shost);
-
-	scsi_target_unblock(&rport->dev);
 	LEAVE;
 }
 

drivers/scsi/lpfc/lpfc_hbadisc.c

···
 			&phba->sli.ring[phba->sli.fcp_ring],
 			ndlp->nlp_sid, 0, LPFC_CTX_TGT);
 	}
-
-	/*
-	 * A device is normally blocked for rediscovery and unblocked when
-	 * devloss timeout happens.  In case a vport is removed or driver
-	 * unloaded before devloss timeout happens, we need to unblock here.
-	 */
-	scsi_target_unblock(&rport->dev);
-	return;
 }
 
 /*

drivers/scsi/qla2xxx/qla_attr.c

···
 	}
 
 	qla2x00_abort_fcport_cmds(fcport);
-	scsi_target_unblock(&rport->dev);
 }
 
 static int