Delete .gitlab-ci.yml

.gitlab-ci.yml

-pages:
-  stage: deploy
-  environment: production
-  script:
-    - mkdir .public
-    - cp -r ./* .public
-    - rm -rf public
-    - mv .public public
-  artifacts:
-    paths:
-      - public
-  rules:
-    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH