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/tasks/monitoring/glance.yml

@@ -1,29 +0,0 @@
-- name: make glance directories
-  ansible.builtin.file:
-    path: "{{ item }}"
-    state: directory
-  loop:
-    - /opt/stacks/glance
-    - /opt/stacks/glance/config
-
-- name: Template out the compose file
-  ansible.builtin.template:
-    src: glance-compose.yml.j2
-    dest: /opt/stacks/glance/compose.yml
-    owner: root
-    mode: '0644'
-
-- name: Template out the config file
-  ansible.builtin.template:
-    src: glance.yml.j2
-    dest: /opt/stacks/glance/config/glance.yml
-    owner: root
-    mode: '0640'
-    group: docker
-  notify: restart glance
-
-- name: deploy glances stack
-  community.docker.docker_compose_v2:
-    project_src: /opt/stacks/glance
-    files:
-      - compose.yml

roles/docker/tasks/monitoring/main.yml

@@ -1,10 +1,6 @@
 ---
 # Monitoring services - System monitoring, alerts, and dashboards
 
-- name: Install glance
-  import_tasks: glance.yml
-  tags: glance
-
 - name: Install changedetection
   import_tasks: changedetection.yml
   tags: changedetection