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>

Author: isilence

MAINTAINERS

@@ -12492,7 +12492,6 @@ F:	include/linux/iosys-map.h
 
 IO_URING
 M:	Jens Axboe <axboe@kernel.dk>
-M:	Pavel Begunkov <asml.silence@gmail.com>
 L:	io-uring@vger.kernel.org
 S:	Maintained
 T:	git git://git.kernel.dk/linux-block