[PRQ#61987] Deletion Request for htmail-view

MarsSeed [1] filed a deletion request for htmail-view [2]: Obsolete, broken, unused WebKit-based library, discontinued by its upstream almost 5 years ago. [a] [a]: https://github.com/liske/htmail-view [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/htmail-view/