MAINTAINERS: remove myself from io_uring

Disassociate my name from the project over disagreements on development
practices.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/814ec73b73323a8e1c87643d193a73f467fb191f.1748034476.git.asml.silence@gmail.com


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