iio: magnetometer: st_magn: remove ihl property for LSM303AGR

Remove IRQ active low support for LSM303AGR since the sensor does not
support that capability for data-ready line

Fixes: a9fd053 (iio: st_sensors: support active-low interrupts)
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/magnetometer/st_magn_core.c

@@ -356,8 +356,6 @@ static const struct st_sensor_settings st_magn_sensors_settings[] = {
 		.drdy_irq = {
 			.addr = 0x62,
 			.mask_int1 = 0x01,
-			.addr_ihl = 0x63,
-			.mask_ihl = 0x04,
 			.addr_stat_drdy = 0x67,
 		},
 		.multi_read_bit = false,