scsi: ufs: Remove unused UFS_BIT() macro

Since we have converted all the user of UFS_BIT() macro with the actual
bit position, let remove unused UFS_BIT()macro.

Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com>
Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/ufs/ufshci.h

@@ -119,8 +119,6 @@ enum {
 #define MANUFACTURE_ID_MASK	UFS_MASK(0xFFFF, 0)
 #define PRODUCT_ID_MASK		UFS_MASK(0xFFFF, 16)
 
-#define UFS_BIT(x)	(1L << (x))
-
 /*
  * IS - Interrupt Status - 20h
  */