remove cloning to gitlab

.gitlab-ci.yml

-stages:
-  - mirror
-
-
-mirror repository:
-    stage: mirror
-    allow_failure: true
-    variables:
-      REPO: "git@github.com:quantum-tinkerer/research-docker.git"
-    before_script:
-      - mkdir ~/.ssh && chmod 700 ~/.ssh
-      - ssh-keyscan -t rsa github.com >> ~/.ssh/known_hosts
-      - echo "$DEPLOY_KEY" > ~/.ssh/id_rsa && chmod 600 ~/.ssh/id_rsa
-    after_script:
-      - rm -rf ~/.ssh
-    script:
-      - ORIGIN_URL=$(git config --get remote.origin.url)
-      - cd $(mktemp -d); git clone --bare $ORIGIN_URL .
-      - git push --mirror $REPO