[PRQ#57480] Deletion Request for hdf5-1.12

MarsSeed [1] filed a deletion request for hdf5-1.12 [2]: Legacy package, broken since submission. But not a single build on AUR requires this. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/hdf5-1.12/