remove dead ubik infrastructure and clean up domsen
- Remove ubik machine (DNS no longer points to us)
- Remove ubik-host.nix container config
- Remove sqlBackup.nix and mysql-backup module (no databases left)
- Remove usershadow module (was only used by removed exim auth)
- Clean up domsen.nix: remove dead domains, mail, users, backups
- Clean up util.nix: remove unused serveWordpress/serveOwncloud
- Clean up internet-gateway.nix: remove ubik domain routing
- Clean up exim-smarthost.nix: remove dead wordpress alias
- Clean up prism: remove mail.ubikmedia.eu proxy, usershadow
Domains removed (DNS pointed elsewhere):
- ubikmedia.de/eu, apanowicz.de, beesmooth.ch, jarugadesign.de
- jla-trading.com, alewis.de, freemonkey.art, aldonasiech.com
- karlaskop.de, youthtube.xyz, joemisch.com, weirdwednesday.de
Only illustra.de remains active on prism.