staging: iio: tsl2x7x: no need to clear interrupt flag when getting lux

tsl2x7x_get_lux() does not need to clear the interrupt flag when
querying the ALS. The interrupt flag is cleared in
tsl2x7x_event_handler(). This patches removes the unnecessary code.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/staging/iio/light/tsl2x7x.c

@@ -387,10 +387,6 @@ static int tsl2x7x_get_lux(struct iio_dev *indio_dev)
 		buf[i] = ret;
 	}
 
-	ret = tsl2x7x_clear_interrupts(chip, TSL2X7X_CMD_ALS_INT_CLR);
-	if (ret < 0)
-		goto out_unlock;
-
 	/* extract ALS/lux data */
 	ch0 = le16_to_cpup((const __le16 *)&buf[0]);
 	ch1 = le16_to_cpup((const __le16 *)&buf[2]);