Distro keys updater keep only primary signing key remove expired ones : reduces size of archlinux.key and tails.key#2078

tlaurion merged 2 commits intolinuxboot:masterlinuxboot/heads:masterfrom

tlaurion:distro_keys_updater-keep_only_primary_signing_key-remove_expired_onestlaurion/heads:distro_keys_updater-keep_only_primary_signing_key-remove_expired_onesCopy head branch name to clipboard