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/paperlessngx-compose.yml.j2

@@ -2,9 +2,6 @@ services:
   broker:
     image: docker.io/library/redis:7
     restart: unless-stopped
-    labels:
-      glance.parent: paperlessngx
-      glance.name: Redis
     volumes:
       - redisdata:/data
 
@@ -14,11 +11,6 @@ services:
     labels:
       # Stop during backup so the SQLite database in the data volume is consistent
       docker-volume-backup.stop-during-backup: true
-      glance.name: Paperless NGX
-      glance.icon: si:paperlessngx
-      glance.url: https://{{ subdomains.paper }}/
-      glance.description: Document server
-      glance.id: paperlessngx
     depends_on:
       - broker
       - gotenberg
@@ -40,9 +32,6 @@ services:
 
   gotenberg:
     image: docker.io/gotenberg/gotenberg:8.7
-    labels:
-      glance.parent: paperlessngx
-      glance.name: Gotenburg
     restart: unless-stopped
 
     # The gotenberg chromium route is used to convert .eml files. We do not
@@ -54,17 +43,12 @@ services:
 
   tika:
     image: docker.io/apache/tika:latest
-    labels:
-      glance.parent: paperlessngx
-      glance.name: Tika
     restart: unless-stopped
 
   backup:
     image: offen/docker-volume-backup:v2
     restart: always
     labels:
-      glance.parent: paperlessngx
-      glance.name: Backup
       mag37.dockcheck.update: true
     environment:
       BACKUP_FILENAME: pngx-backup-%Y-%m-%dT%H-%M-%S.tar.gz