MAINTAINERS: remove arch/x86/platform/mrst/pmu.*

These files were removed by commit 1a8359e4 ("x86/mid: Remove Intel
Moorestown").
Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Len Brown <len.brown@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

MAINTAINERS

@@ -4065,12 +4065,6 @@ F:	Documentation/networking/ixgbe.txt
 F:	Documentation/networking/ixgbevf.txt
 F:	drivers/net/ethernet/intel/
 
-INTEL MRST PMU DRIVER
-M:	Len Brown <len.brown@intel.com>
-L:	linux-pm@vger.kernel.org
-S:	Supported
-F:	arch/x86/platform/mrst/pmu.*
-
 INTEL PRO/WIRELESS 2100, 2200BG, 2915ABG NETWORK CONNECTION SUPPORT
 M:	Stanislav Yakovlev <stas.yakovlev@gmail.com>
 L:	linux-wireless@vger.kernel.org