Delete .gitlab-ci.yml

.gitlab-ci.yml

----
-image: php:5.6
-
-stages:
-  - prepare
-  - static_analysis
-
-cache: &dependencies
-  untracked: true
-  key: ${CI_COMMIT_REF_SLUG}
-  policy: pull
-  paths:
-    - 'ph/vendor/'
-
-before_script:
-  - apt-get update
-  - apt-get install git unzip libmcrypt-dev libgd-dev libxml2-dev libzip-dev libcurl4-openssl-dev --assume-yes
-  - docker-php-ext-install mcrypt gd mbstring xml curl zip
-  - cd ph
-  - php composer.phar install
-
-# Bundle stage
-# ======================================
-bundle:
-  stage: prepare
-  script:
-    - echo "This job only fills the cache"
-  cache:
-    <<: *dependencies
-    policy: push
-
-codesniffer:
-  stage: static_analysis
-  script:
-    - vendor/bin/phpcs
-  cache:
-    <<: *dependencies
-    policy: push