iio: dac: ad5766: Drop duplicate setting of iio_dev.dev.parent and of_node

This is set to the same value in devm_iio_device_alloc() so no need to do
it again.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Cristian Pop <cristian.pop@analog.com>
Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com>
Link: https://lore.kernel.org/r/20210426170251.351957-3-jic23@kernel.org

drivers/iio/dac/ad5766.c

@@ -597,8 +597,6 @@ static int ad5766_probe(struct spi_device *spi)
 	indio_dev->channels = st->chip_info->channels;
 	indio_dev->num_channels = st->chip_info->num_channels;
 	indio_dev->info = &ad5766_info;
-	indio_dev->dev.parent = &spi->dev;
-	indio_dev->dev.of_node = spi->dev.of_node;
 	indio_dev->name = spi_get_device_id(spi)->name;
 	indio_dev->modes = INDIO_DIRECT_MODE;