lahwaacz [1] filed a deletion request for certbot-systemd-timer [2]:

Useless package for 2 systemd units copy-pasted from the wiki, just
without the surrounding text explaining the usage and common
modifications.

[1] https://aur.archlinux.org/account/lahwaacz/
[2] https://aur.archlinux.org/pkgbase/certbot-systemd-timer/