Remove auth01 host configuration and associated services in preparation
for new auth stack with different provisioning system.
Removed:
- hosts/auth01/ - host configuration
- services/authelia/ - authelia service module
- services/lldap/ - lldap service module
- secrets/auth01/ - sops secrets
- Reverse proxy entries for auth and lldap
- Monitoring alert rules for authelia and lldap
- SOPS configuration for auth01
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
