iio: dac: ltc2632: remove some unused defines

These two defines are unused since the driver was introduced in commit
02b829f9e1 ("iio: dac: Add support for ltc2632 DACs").

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Uwe Kleine-König 2020-02-03 21:31:26 +01:00 • committed by Jonathan Cameron
commit 55f82c00b2