iio: adc: mp2629: Drop duplicate setting iio_dev.dev.parent

This is already set to the same value in devm_iio_device_alloc()
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Saravanan Sekar <sravanhome@gmail.com>
Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com>
Link: https://lore.kernel.org/r/20210426170251.351957-4-jic23@kernel.org

drivers/iio/adc/mp2629_adc.c

@@ -144,7 +144,6 @@ static int mp2629_adc_probe(struct platform_device *pdev)
 	}
 
 	indio_dev->name = "mp2629-adc";
-	indio_dev->dev.parent = dev;
 	indio_dev->channels = mp2629_channels;
 	indio_dev->num_channels = ARRAY_SIZE(mp2629_channels);
 	indio_dev->modes = INDIO_DIRECT_MODE;