scsi: elx: efct: Remove redundant initialization of variable lun

The variable "lun" is being initialized with a value that is never read, it
is being updated later on. The assignment is redundant and can be removed.

Link: https://lore.kernel.org/r/20210616171621.16176-1-colin.king@canonical.comReviewed-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Addresses-Coverity: ("Unused value")

drivers/scsi/elx/efct/efct_unsol.c

@@ -342,7 +342,7 @@ efct_dispatch_fcp_cmd(struct efct_node *node, struct efc_hw_sequence *seq)
 	struct fc_frame_header *fchdr = seq->header->dma.virt;
 	struct fcp_cmnd	*cmnd = NULL;
 	struct efct_io *io = NULL;
-	u32 lun = U32_MAX;
+	u32 lun;
 
 	if (!seq->payload) {
 		efc_log_err(efct, "Sequence payload is NULL.\n");