[PRQ#67563] Deletion Request for mingw-w64-pdal

MarsSeed [1] filed a deletion request for mingw-w64-pdal [2]: Abandoned library, no longer used. Several dependency chain packages are similarly abandoned (since 2022-2023) and outdated. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/mingw-w64-pdal/