io_uring/timeout: remove duplicate initialization of the io_timeout list.

In the __io_timeout_prep function, the io_timeout list is initialized
twice, removing the meaningless second initialization.
Signed-off-by: Ruyi Zhang <ruyi.zhang@samsung.com>
Link: https://lore.kernel.org/r/20240411055953.2029218-1-ruyi.zhang@samsung.comSigned-off-by: Jens Axboe <axboe@kernel.dk>

io_uring/timeout.c

@@ -537,7 +537,6 @@ static int __io_timeout_prep(struct io_kiocb *req,
 	if (data->ts.tv_sec < 0 || data->ts.tv_nsec < 0)
 		return -EINVAL;
 
-	INIT_LIST_HEAD(&timeout->list);
 	data->mode = io_translate_timeout_mode(flags);
 	hrtimer_init(&data->timer, io_timeout_get_clock(data), data->mode);