scsi: target: Remove unused function arguments

The se_cmd is unused in these functions, just remove it.

Link: https://lore.kernel.org/r/20210913083045.3670648-1-fengli@smartx.com


Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Li Feng <fengli@smartx.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>