[media] af9033: wrap DVBv3 UCB to DVBv5 UCB stats

Remove 'duplicate' DVBv3 read UCB implementation and return value,
calculated already for DVBv5 statistics.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/dvb-frontends/af9033.c

@@ -932,14 +932,8 @@ static int af9033_read_ber(struct dvb_frontend *fe, u32 *ber)
 static int af9033_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
 {
 	struct af9033_dev *dev = fe->demodulator_priv;
-	int ret;
-
-	ret = af9033_update_ch_stat(dev);
-	if (ret < 0)
-		return ret;
-
-	*ucblocks = dev->ucb;
 
+	*ucblocks = dev->error_block_count;
 	return 0;
 }