MAINTAINERS: remove Stelian from the AMS driver record

This driver is PPC only, and I am no longer able to test it.
Signed-off-by: Stelian Pop <stelian@popies.net>
Cc: Michael Hanselmann <linux-kernel@hansmi.ch>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

MAINTAINERS

@@ -496,7 +496,6 @@ S:	Supported
 F:	arch/x86/kernel/microcode_amd.c
 
 AMS (Apple Motion Sensor) DRIVER
-M:	Stelian Pop <stelian@popies.net>
 M:	Michael Hanselmann <linux-kernel@hansmi.ch>
 S:	Supported
 F:	drivers/macintosh/ams/