Revert "man/io_uring_submit_and_wait_timeout.3: fix return value description"
Revert "man/io_uring_submit_and_wait_timeout.3: fix return value description"

This reverts commit fccfc930d582796029f7e91b8ce744e2729a22c2.

Let's make this saner rather than document the odd return of it.

Signed-off-by: Jens Axboe <cd8c6775e60d6f67a6984377324e5290df3d5358@kernel.dk>

axboe/liburing,axboe/liburing,axboe/liburing