[PRQ#64715] Deletion Request for kms-core

MarsSeed [1] filed a deletion request for kms-core [2]: Development in the current source repo got halted in 2022 and the repo was archived in 2023. [a] Content got migrated to a new, active monorepo. [b] [a]: https://github.com/Kurento/kms-core [b]: https://github.com/Kurento/kurento [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/kms-core/