MarsSeed [1] filed a deletion request for xfce4-terminal-gtk2 [2]: Obsolete, unneeded EOL version from 2013. Not compatible with current xfce4 packages in repo or in AUR.
[1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/xfce4-terminal-gtk2/