Remove the unused Glance dashboard

Drop the Glance stack, its home. route and DNS record, the glance.*
labels on every container, and the Glance restart in the Warhammer
feed cron script. Update docs to match.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

README.md

@@ -40,7 +40,6 @@ The Docker role deploys and manages 21 self-hosted services organized into logic
 
 ### Monitoring
 - **Changedetection** (Website change monitoring)
-- **Glance** (Dashboard)
 - **AppriseAPI** (Notification service)
 - **Gotify** (Push notifications)
 - **Cronmaster** (Scheduled container tasks)
@@ -90,7 +89,7 @@ The most comprehensive role, deploying 21 containerized services organized into
 - **Media**: Audiobookshelf, Calibre, Karakeep, Manyfold
 - **Productivity**: Paperless-NGX, Baikal, Syncthing, HeyForm, Dawarich, Obsidian LiveSync
 - **Communication**: GoToSocial
-- **Monitoring**: Glance dashboard, Changedetection, AppriseAPI, Gotify, Cronmaster
+- **Monitoring**: Changedetection, AppriseAPI, Gotify, Cronmaster
 - **Template-Driven**: All services use Jinja2 templates for consistent configuration
 - **Category-Based Deployment**: Deploy services by category using Ansible tags