iio: adc: pac1934: remove unused struct 'samp_rate_mapping'

'samp_rate_mapping' has been unused since the original
commit 0fb528c825 ("iio: adc: adding support for PAC193x").

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://lore.kernel.org/r/20240522230457.478156-3-linux@treblig.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Dr. David Alan Gilbert 2024-05-23 00:04:56 +01:00 • committed by Jonathan Cameron
commit 64741cb5ac