Sören Tempel authored Jul 22, 2023 and alice committed Jul 27, 2023

The builtin has several known issues and has therefore been
disabled upstream recently, let's do the same downstream. See:

* https://git.busybox.net/busybox/commit/?id=5e0411a7fb510b9aecda0a850c76bdd62c50efa4
* https://bugs.busybox.net/show_bug.cgi?id=15619

Instead, rely on the sleep BusyBox applet (CONFIG_SLEEP)