iio: adc: nau7802: remove unused min_conversions field
Remove unused min_conversions field from nau7802_state
struct. The field is declared but never accessed in the
driver.
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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