MAINTAINERS: remove myself as a Reviewer for Ceph

It has been a couple of years since I stepped down as CephFS maintainer.
I'm not involved in any meaningful way with the project these days, so
while I'm happy to help review the occasional patch, I don't need to be
cc'ed on all of them.

Signed-off-by: Jeff Layton <[email protected]>
Signed-off-by: Ilya Dryomov <[email protected]>

Author: jtlayton

MAINTAINERS

@@ -4869,7 +4869,6 @@ F:	drivers/power/supply/cw2015_battery.c
 CEPH COMMON CODE (LIBCEPH)
 M:	Ilya Dryomov <[email protected]>
 M:	Xiubo Li <[email protected]>
-R:	Jeff Layton <[email protected]>
 L:	[email protected]
 S:	Supported
 W:	http://ceph.com/
@@ -4881,7 +4880,6 @@ F:	net/ceph/
 CEPH DISTRIBUTED FILE SYSTEM CLIENT (CEPH)
 M:	Xiubo Li <[email protected]>
 M:	Ilya Dryomov <[email protected]>
-R:	Jeff Layton <[email protected]>
 L:	[email protected]
 S:	Supported
 W:	http://ceph.com/