Delete .gitlab-ci.yml

.gitlab-ci.yml

-# This file is a template, and might need editing before it works on your project.
-# Official framework image. Look for the different tagged releases at:
-# https://hub.docker.com/r/library/node/tags/
-image: node:8
-
-# This folder is cached between builds
-# http://docs.gitlab.com/ce/ci/yaml/README.html#cache
-cache:
-  paths:
-  - node_modules/
-
-all_tests:
-  script:
-   - npm install
-   - npm test