MAINTAINERS: remove myself as ceph co-maintainer

Jeff, Ilya, and Dongsheng are doing all of the Ceph maintainance
these days.

[ idryomov: Remove Sage's git tree too, it hasn't been pushed to
  in years. ]

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

Author: Sage Weil

MAINTAINERS

@@ -3936,24 +3936,20 @@ F:	arch/powerpc/platforms/cell/
 CEPH COMMON CODE (LIBCEPH)
 M:	Ilya Dryomov <[email protected]>
 M:	Jeff Layton <[email protected]>
-M:	Sage Weil <[email protected]>
 L:	[email protected]
 S:	Supported
 W:	http://ceph.com/
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client.git
 T:	git git://github.com/ceph/ceph-client.git
 F:	include/linux/ceph/
 F:	include/linux/crush/
 F:	net/ceph/
 
 CEPH DISTRIBUTED FILE SYSTEM CLIENT (CEPH)
 M:	Jeff Layton <[email protected]>
-M:	Sage Weil <[email protected]>
 M:	Ilya Dryomov <[email protected]>
 L:	[email protected]
 S:	Supported
 W:	http://ceph.com/
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client.git
 T:	git git://github.com/ceph/ceph-client.git
 F:	Documentation/filesystems/ceph.rst
 F:	fs/ceph/
@@ -14102,12 +14098,10 @@ F:	drivers/media/radio/radio-tea5777.c
 
 RADOS BLOCK DEVICE (RBD)
 M:	Ilya Dryomov <[email protected]>
-M:	Sage Weil <[email protected]>
 R:	Dongsheng Yang <[email protected]>
 L:	[email protected]
 S:	Supported
 W:	http://ceph.com/
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client.git
 T:	git git://github.com/ceph/ceph-client.git
 F:	Documentation/ABI/testing/sysfs-bus-rbd
 F:	drivers/block/rbd.c