wmi: Orphan ACPI-WMI driver

I no longer have the time to work on this, and haven't really been doing any
work to this either. Time to let someone else take the reins.
Signed-off-by: NCarlos Corbacho <carlos@strangeworlds.co.uk>
Signed-off-by: NMatthew Garrett <mjg@redhat.com>

MAINTAINERS

@@ -271,10 +271,8 @@ S:	Supported
 F:	drivers/acpi/video.c
 
 ACPI WMI DRIVER
-M:	Carlos Corbacho <carlos@strangeworlds.co.uk>
 L:	platform-driver-x86@vger.kernel.org
-W:	http://www.lesswatts.org/projects/acpi/
-S:	Maintained
+S:	Orphan
 F:	drivers/platform/x86/wmi.c
 
 AD1889 ALSA SOUND DRIVER