MAINTAINERS: orphan BEFS

This old address bounces and Sergey doesn't answer at another email
address.
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Sergey Kostyliov <rathamahata@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

MAINTAINERS

@@ -1251,8 +1251,7 @@ S:	Maintained
 F:	drivers/net/hamradio/baycom*
 
 BEFS FILE SYSTEM
-M:	"Sergey S. Kostyliov" <rathamahata@php4.ru>
-S:	Maintained
+S:	Orphan
 F:	Documentation/filesystems/befs.txt
 F:	fs/befs/