scsi: 53c700: Remove redundant assignment to pointer SCp

Pointer SCp is being re-assigned the same value that it was initialized to
a few lines earlier, the assignment is redundant and can be removed.

Link: https://lore.kernel.org/r/20220123175530.110462-1-colin.i.king@gmail.com
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

Author: ColinIanKing

drivers/scsi/53c700.c

@@ -1507,7 +1507,6 @@ NCR_700_intr(int irq, void *dev_id)
 		struct scsi_cmnd *SCp = hostdata->cmd;
 
 		handled = 1;
-		SCp = hostdata->cmd;
 
 		if(istat & SCSI_INT_PENDING) {
 			udelay(10);