iio: magnetometer: ak8975: drop incorrect AK09116 compatible

All compatibles in this binding without prefixes were deprecated, so
adding a new deprecated one after some time is not allowed, because it
defies the core logic of deprecating things.

Drop the AK09916 vendorless compatible.

Fixes: 76e28aa9 ("iio: magnetometer: ak8975: add AK09116 support")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240806053016.6401-1-krzysztof.kozlowski@linaro.orgSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/magnetometer/ak8975.c

@@ -1081,7 +1081,6 @@ static const struct of_device_id ak8975_of_match[] = {
 	{ .compatible = "asahi-kasei,ak09912", .data = &ak_def_array[AK09912] },
 	{ .compatible = "ak09912", .data = &ak_def_array[AK09912] },
 	{ .compatible = "asahi-kasei,ak09916", .data = &ak_def_array[AK09916] },
-	{ .compatible = "ak09916", .data = &ak_def_array[AK09916] },
 	{}
 };
 MODULE_DEVICE_TABLE(of, ak8975_of_match);