io_uring: don't set TASK_RUNNING in local tw runner

The CQ waiting loop sets TASK_RUNNING before trying to execute
task_work, no need to repeat it in io_run_local_work().

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/9d9422c429ef3f9457b4f4b8288bf4789564f33b.1673274244.git.asml.silence@gmail.com


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