Delete gitlab-ci

Everything works on Jenkins now, no need to also build on Gitlab.

.gitlab-ci.yml

@@ -1,37 +0,0 @@
-image: silex/emacs:26.3-alpine-dev
-
-stages:
-  - build
-  - deploy
-
-build-html:
-  stage: build
-  before_script:
-    - cask install
-  script:
-    make html
-  artifacts:
-    paths:
-      - public/
-
-build-css:
-  stage: build
-  image: finalgene/lessc:3.10
-  script:
-    lessc src/less/main.less public/assets/css/main.css
-  artifacts:
-    paths:
-      - public/
-
-pages:
-  stage: deploy
-  dependencies:
-    - build-html
-    - build-css
-  script:
-    - echo "Done"
-  artifacts:
-    paths:
-      - public
-  only:
-    - master