[PRQ#53251] Deletion Request for mingw-w64-polyclipping

xantares [1] filed a deletion request for mingw-w64-polyclipping [2]: from the website: This library is now obsolete and no longer being maintained. [1] https://aur.archlinux.org/account/xantares/ [2] https://aur.archlinux.org/pkgbase/mingw-w64-polyclipping/