drivers: scsi: ufs: Remove unused d_lu_wb_buf_alloc

../../../../../../kernel/xiaomi/alioth/drivers/scsi/ufs/ufshcd.c:8613:6: warning: unused variable 'd_lu_wb_buf_alloc' [-Wunused-variable]
        u32 d_lu_wb_buf_alloc;
            ^
1 warning generated.

 * Variable was remove in 5501a5f.

drivers/scsi/ufs/ufshcd.c

@@ -8610,7 +8610,6 @@ static int ufs_get_device_desc(struct ufs_hba *hba,
 	size_t buff_len;
 	u8 model_index;
 	u8 *desc_buf;
-	u32 d_lu_wb_buf_alloc;
 
 	buff_len = max_t(size_t, hba->desc_size.dev_desc,
 			 QUERY_DESC_MAX_SIZE + 1);