[PRQ#39156] Deletion Request for arc-firefox-theme-git

kleintux [1] filed a deletion request for arc-firefox-theme-git [2]: Upstream is dead for long time. Not working with newer firefox versions. [1] https://aur.archlinux.org/account/kleintux/ [2] https://aur.archlinux.org/pkgbase/arc-firefox-theme-git/