scsi: sd: remove duplicated setting of gd->minors

gd->minors has been set when call alloc_disk() in sd_probe.
Signed-off-by: Nweiping zhang <zhangweiping@didichuxing.com>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/sd.c

@@ -3223,7 +3223,6 @@ static void sd_probe_async(void *data, async_cookie_t cookie)
 
 	gd->major = sd_major((index & 0xf0) >> 4);
 	gd->first_minor = ((index & 0xf) << 4) | (index & 0xfff00);
-	gd->minors = SD_MINORS;
 
 	gd->fops = &sd_fops;
 	gd->private_data = &sdkp->driver;