[PRQ#70495] Deletion Request for launchpad-integration-gtk3

MarsSeed [1] filed a deletion request for launchpad-integration-gtk3 [2]: Broken, unused package from 2017. EOL since 2012. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/launchpad-integration-gtk3/