MAINTAINERS: update io_uring and block tree git trees

Move to using the git.kernel.org trees as the canonical trees for both
the block and io_uring tree.

Signed-off-by: Jens Axboe <axboe@kernel.dk>

Author: axboe

MAINTAINERS

@@ -6224,7 +6224,7 @@ M:	Josef Bacik <josef@toxicpanda.com>
 M:	Jens Axboe <axboe@kernel.dk>
 L:	cgroups@vger.kernel.org
 L:	linux-block@vger.kernel.org
-T:	git git://git.kernel.dk/linux-block
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux.git
 F:	Documentation/admin-guide/cgroup-v1/blkio-controller.rst
 F:	block/bfq-cgroup.c
 F:	block/blk-cgroup.c
@@ -12860,8 +12860,8 @@ IO_URING
 M:	Jens Axboe <axboe@kernel.dk>
 L:	io-uring@vger.kernel.org
 S:	Maintained
-T:	git git://git.kernel.dk/linux-block
-T:	git git://git.kernel.dk/liburing
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux.git
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/axboe/liburing.git
 F:	include/linux/io_uring/
 F:	include/linux/io_uring.h
 F:	include/linux/io_uring_types.h