iio: accel: kionix-kx022a: Remove the unused member g_range

The g_range member of the driver data struct is not used and
should therefore be removed.
Signed-off-by: Mehdi Djait <mehdi.djait.k@gmail.com>
Reviewed-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://lore.kernel.org/r/e884d53fed0d8322d8be1de2593d4f5f8975af9c.1674996464.git.mehdi.djait.k@gmail.comSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/accel/kionix-kx022a.c

@@ -162,7 +162,6 @@ struct kx022a_data {
 	int inc_reg;
 	int ien_reg;
 
-	unsigned int g_range;
 	unsigned int state;
 	unsigned int odr_ns;