MarsSeed [1] filed a deletion request for kimi-linphone-desktop [2]: Duplicate of AUR/linphone-desktop and installs in /usr/local which is disallowed in Arch Linux packaging guidelines.
[1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/kimi-linphone-desktop/
