Remove test-swarm deployment

According to @kawaiipunk from autonomic.zone, this server has been shut
down.
While waiting if they want to spin up a new server, remove this part,
so we get clean CI/CD.

.drone.yml

@@ -1,40 +1,5 @@
 ---
 kind: pipeline
-name: deploy to swarm-test.autonomic.zone
-steps:
-  - name: deployment
-    image: git.coopcloud.tech/coop-cloud/stack-ssh-deploy:latest
-    settings:
-      host: swarm-test.autonomic.zone
-      stack: nextcloud
-      generate_secrets: true
-      purge: true
-      deploy_key:
-        from_secret: drone_ssh_swarm_test
-      networks:
-        - proxy
-    environment:
-      DOMAIN: nextcloud.swarm-test.autonomic.zone
-      STACK_NAME: nextcloud
-      LETS_ENCRYPT_ENV: production
-      ADMIN_USER: foobar
-      FPM_TUNE_VERSION: v1
-      NGINX_CONF_VERSION: v1
-      MY_CNF_VERSION: v1
-      ENTRYPOINT_VERSION: v1
-      CRONTAB_VERSION: v1
-      PG_BACKUP_VERSION: v2
-      SECRET_DB_PASSWORD_VERSION: v1
-      SECRET_DB_ROOT_PASSWORD_VERSION: v1
-      SECRET_ADMIN_PASSWORD_VERSION: v1
-      SECRET_ONLYOFFICE_JWT_VERSION: v1
-      SECRET_BBB_SECRET_VERSION: v1
-      EXTRA_VOLUME: "/dev/null:/tmp/.dummy"
-trigger:
-  branch:
-    - main
----
-kind: pipeline
 name: generate recipe catalogue
 steps:
   - name: release a new version

abra.sh

@@ -94,13 +94,7 @@ install_collabora() {
 install_whiteboard() {
     install_apps whiteboard
     set_app_config whiteboard collabBackendUrl "https://${DOMAIN}/whiteboard"
-    printf '{"apps":{"whiteboard":{"jwt_secret_key":"%s"}}}' "$(cat /run/secrets/whiteboard_jwt)" >/tmp/whiteboard.json
-    run_occ "config:import /tmp/whiteboard.json"
-    rm -f /tmp/whiteboard.json
-    [ -n "$(run_occ 'config:app:get whiteboard jwt_secret_key')" ] || {
-        echo "whiteboard jwt_secret_key was not stored" >&2
-        return 1
-    }
+    set_app_config whiteboard jwt_secret_key "$(cat /run/secrets/whiteboard_jwt)"
 }