[PRQ#67341] Deletion Request for gitter-bin

MarsSeed [1] filed a deletion request for gitter-bin [2]: EOL since 2020. No longer works with upstream's servers. Repo is archived. Upstream recommends standard Matrix compatible clients to be used with the gitter.im service. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/gitter-bin/