scsi: lpfc: Remove unnecessary NULL pointer assignment for ELS_RDF path

The command IOCB ndlp pointer is overwritten in lpfc_issue_els_rdf(), and
the original ndlp pointer is stored ahead of time.

This null ptr assignment can be safely removed.

Link: https://lore.kernel.org/r/20220412222008.126521-13-jsmart2021@gmail.com
Co-developed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/lpfc/lpfc_els.c

@@ -3388,7 +3388,6 @@ lpfc_cmpl_els_disc_cmd(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 				lpfc_issue_els_edc(vport, cmdiocb->retry);
 				break;
 			case ELS_CMD_RDF:
-				cmdiocb->context1 = NULL; /* save ndlp refcnt */
 				lpfc_issue_els_rdf(vport, cmdiocb->retry);
 				break;
 			}