remove gitlab-ci files from before the mono repo

packages/zammad-addon-hardening/.gitlab-ci.yml

@@ -1,36 +0,0 @@
----
-image: registry.gitlab.com/guardianproject-ops/docker-python-node:python3.8-nodejs12
-
-stages:
-  - test
-  - build
-  - trigger
-
-before_script:
-  - apt-get update && apt-get install -y make ruby
-  - gem install rufo -v 0.12.0
-  - pip install inflection
-
-test:
-  stage: test
-  script:
-    - make test
-
-build:
-  stage: build
-  artifacts:
-    paths:
-      - dist/*.szpm
-  script:
-    - make
-
-trigger-downstream:
-  stage: trigger
-  only:
-    - develop
-    - main
-  variables:
-    UPSTREAM_BRANCH: $CI_COMMIT_REF_NAME
-  trigger:
-    project: digiresilience/waterbear/docker-zammad
-    branch: $CI_COMMIT_REF_NAME