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>

roles/docker/templates/authentik-compose.yml.j2

@@ -18,9 +18,6 @@ services:
       POSTGRES_DB: ${PG_DB:-authentik}
     env_file:
       - .env
-    labels:
-      glance.parent: authentik
-      glance.name: DB
   trout:
     image: docker.io/library/redis:alpine
     command: --save 60 1 --loglevel warning
@@ -33,9 +30,6 @@ services:
       timeout: 3s
     volumes:
       - trout:/data
-    labels:
-      glance.parent: authentik
-      glance.name: Redis
   server:
     image: ${AUTHENTIK_IMAGE:-ghcr.io/goauthentik/server}:${AUTHENTIK_TAG:-2026.2.2}
     restart: unless-stopped
@@ -54,12 +48,6 @@ services:
     depends_on:
       - postgresql
       - trout
-    labels:
-      glance.name: Authentik
-      glance.icon: si:authentik
-      glance.url: https://{{ subdomains.auth }}/
-      glance.description: Authentication server
-      glance.id: authentik
   worker:
     image: ${AUTHENTIK_IMAGE:-ghcr.io/goauthentik/server}:${AUTHENTIK_TAG:-2026.2.2}
     restart: unless-stopped
@@ -87,9 +75,6 @@ services:
     depends_on:
       - postgresql
       - trout
-    labels:
-      glance.parent: authentik
-      glance.name: Worker
 
 volumes:
   database: