MAINTAINERS: Remove rage128 framebuffer driver maintainer

I have not worked on this code for years, so remove my name as
maintainer.

Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Signed-off-by: Helge Deller <deller@gmx.de>

MAINTAINERS

@@ -17464,9 +17464,8 @@ F:	drivers/block/rbd.c
 F:	drivers/block/rbd_types.h
 
 RAGE128 FRAMEBUFFER DISPLAY DRIVER
-M:	Paul Mackerras <paulus@samba.org>
 L:	linux-fbdev@vger.kernel.org
-S:	Maintained
+S:	Orphan
 F:	drivers/video/fbdev/aty/aty128fb.c
 
 RAINSHADOW-CEC DRIVER