staging: usbip: Orphan usbip

The domain of Matt Mooneey's email doesn't exist anymore.
Setting usbip to Oprhan.
Signed-off-by: Tobias Polzer <tobias.polzer@fau.de>
Signed-off-by: Dominik Paulus <dominik.paulus@fau.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

MAINTAINERS

@@ -8736,9 +8736,8 @@ F:	Documentation/hid/hiddev.txt
 F:	drivers/hid/usbhid/
 
 USB/IP DRIVERS
-M:	Matt Mooney <mfm@muteddisk.com>
 L:	linux-usb@vger.kernel.org
-S:	Maintained
+S:	Orphan
 F:	drivers/staging/usbip/
 
 USB ISP116X DRIVER