chore: remove stale infra/diun (contained plaintext Gotify token)

infra/diun/docker-compose.yml

@@ -1,36 +0,0 @@
-name: diun
-
-services:
-  diun:
-    image: crazymax/diun:4.31.0
-    container_name: diun
-    hostname: diun
-    command: serve
-    restart: unless-stopped
-
-    environment:
-      TZ: Europe/Berlin
-      LOG_LEVEL: info
-      LOG_JSON: "false"
-      DIUN_WATCH_WORKERS: "20"
-      DIUN_WATCH_SCHEDULE: "0 */6 * * *"
-      DIUN_WATCH_JITTER: "30s"
-      DIUN_PROVIDERS_DOCKER: "true"
-      DIUN_PROVIDERS_DOCKER_WATCHBYDEFAULT: "false"
-      DIUN_PROVIDERS_DOCKER_WATCHSTOPPED: "false"
-      DIUN_NOTIF_GOTIFY_ENDPOINT: http://gotify:80
-      DIUN_NOTIF_GOTIFY_TOKEN: A0X-h.zASUTj_9s
-
-    volumes:
-      - /mnt/user/appdata/diun:/data
-      - /var/run/docker.sock:/var/run/docker.sock:ro
-
-    security_opt:
-      - no-new-privileges:true
-
-    networks:
-      - frontend_net
-
-networks:
-  frontend_net:
-    external: true