Tom Gundersen wrote:

As previously announced, `initscripts` are no longer receiving any testing and support has been dropped from various packages. Any users still using them should switch to `systemd`.

`initscripts`, `sysvinit` and the various `rc` scripts are being removed from the repositories to avoid any confusion about their status.

URL: https://www.archlinux.org/news/final-sysvinit-deprecation-warning/