proc: remove Alexey from MAINTAINERS

People Cc me and I don't have time.

Link: https://lkml.kernel.org/r/YKarMxHJBIhMHQIh@localhost.localdomain
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

MAINTAINERS

@@ -14735,7 +14735,6 @@ W:	https://wireless.wiki.kernel.org/en/users/Drivers/p54
 F:	drivers/net/wireless/intersil/prism54/
 
 PROC FILESYSTEM
-R:	Alexey Dobriyan <adobriyan@gmail.com>
 L:	linux-kernel@vger.kernel.org
 L:	linux-fsdevel@vger.kernel.org
 S:	Maintained