scsi: ufs: Remove unused field in struct uic_command

Remove unused fields "cmd_active" and "result" in struct ufs_command.

Link: https://lore.kernel.org/r/20200615072235.23042-2-stanley.chu@mediatek.com


Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>