[PRQ#44481] Deletion Request for mate-panel-gtk2

MarsSeed [1] filed a deletion request for mate-panel-gtk2 [2]: Deprecated gtk2-based MATE panel using python2 transitive dependencies; last released 4 years ago. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/mate-panel-gtk2/