MAINTAINERS: hwmon: drop Agathe Porte

Mails to Agathe Porte bounce ("550 5.4.1 Recipient address rejected:
Access denied. AS(201806281)").

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230406204750.3017850-1-krzysztof.kozlowski@linaro.org


Signed-off-by: Guenter Roeck <linux@roeck-us.net>