MAINTAINERS: Drop Mark Gross as maintainer for x86 platform drivers

Mark has not really been active as maintainer for x86 platform drivers
lately, drop Mark from the MAINTAINERS entries for drivers/platform/x86,
drivers/platform/mellanox and drivers/platform/surface.

Cc: Mark Gross <markgross@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20231120154548.611041-1-hdegoede@redhat.comSigned-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

MAINTAINERS

@@ -13778,7 +13778,6 @@ F:	drivers/net/ethernet/mellanox/mlxfw/
 MELLANOX HARDWARE PLATFORM SUPPORT
 M:	Hans de Goede <hdegoede@redhat.com>
 M:	Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
-M:	Mark Gross <markgross@kernel.org>
 M:	Vadim Pasternak <vadimp@nvidia.com>
 L:	platform-driver-x86@vger.kernel.org
 S:	Supported
@@ -14387,7 +14386,6 @@ F:	drivers/platform/surface/surface_gpe.c
 MICROSOFT SURFACE HARDWARE PLATFORM SUPPORT
 M:	Hans de Goede <hdegoede@redhat.com>
 M:	Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
-M:	Mark Gross <markgross@kernel.org>
 M:	Maximilian Luz <luzmaximilian@gmail.com>
 L:	platform-driver-x86@vger.kernel.org
 S:	Maintained
@@ -23653,7 +23651,6 @@ F:	drivers/platform/x86/x86-android-tablets/
 X86 PLATFORM DRIVERS
 M:	Hans de Goede <hdegoede@redhat.com>
 M:	Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
-M:	Mark Gross <markgross@kernel.org>
 L:	platform-driver-x86@vger.kernel.org
 S:	Maintained
 Q:	https://patchwork.kernel.org/project/platform-driver-x86/list/