Remove admin Leitfaden url from docker compose

alfa-client/apps/admin-e2e/docker-compose.yml

@@ -131,7 +131,6 @@ services:
       - SPRING_DATA_MONGODB_URI=mongodb://mongodb:27017/config-db
       - OZGCLOUD_OAUTH2_REALM=${KEYCLOAK_REALM:-by-e2e-tests-local-dev}
       - ozgcloud_organisationeinheit_zufisearchuri=http://localhost:8082/api/organisationseinheits
-      - OZGCLOUD_USER-ASSISTANCE_DOCUMENTATION_URL=http://dummy-leitfaden.url
       - BPL_DEBUG_ENABLED=true
       - BPL_DEBUG_PORT=5100
     ports: