iio: imu: st_lsm6dsx: remove st_lsm6dsx_write_with_mask() declaration

Remove st_lsm6dsx_write_with_mask() declaration since it has been removed
in commit 6674bef628e6 ("iio: imu: st_lsm6dsx: add regmap API support")

Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h

@@ -153,8 +153,6 @@ int st_lsm6dsx_probe(struct device *dev, int irq, int hw_id, const char *name,
 int st_lsm6dsx_sensor_enable(struct st_lsm6dsx_sensor *sensor);
 int st_lsm6dsx_sensor_disable(struct st_lsm6dsx_sensor *sensor);
 int st_lsm6dsx_fifo_setup(struct st_lsm6dsx_hw *hw);
-int st_lsm6dsx_write_with_mask(struct st_lsm6dsx_hw *hw, u8 addr, u8 mask,
-			       u8 val);
 int st_lsm6dsx_update_watermark(struct st_lsm6dsx_sensor *sensor,
 				u16 watermark);
 int st_lsm6dsx_flush_fifo(struct st_lsm6dsx_hw *hw);