feat: cleanup old repo management

- change profiles::puppet::agent to require Yumrepo['puppet']
- remove managed repos hieradata
- remove profiles::yum::* classes that are not required
- remove missed rebase comment

hieradata/os/AlmaLinux/all_releases.yaml

@@ -1,9 +1,5 @@
 # hieradata/os/almalinux/all_releases.yaml
 ---
-profiles::yum::base::baseurl: https://repos.main.unkin.net/almalinux
-profiles::yum::epel::baseurl: https://repos.main.unkin.net/epel
-profiles::yum::unkin::baseurl: https://repos.main.unkin.net/unkin
-profiles::yum::ovirt::baseurl: https://repos.main.unkin.net/centos
 profiles::firewall::firewalld::ensure_package: 'absent'
 profiles::firewall::firewalld::ensure_service: 'stopped'
 profiles::firewall::firewalld::enable_service: false