Don't run RuboCop nor ESLint checks in the codequality job as this is already done by the static-analysis job

Signed-off-by: Rémy Coutable <remy@rymai.me>

.codeclimate.yml

@@ -10,12 +10,6 @@ engines:
       - javascript
     exclude_paths:
       - "lib/api/v3/*"
-  eslint:
-    enabled: true
-    channel: "eslint-4"
-  rubocop:
-    enabled: true
-    channel: "gitlab-rubocop-0-52-1"
 ratings:
   paths:
   - Gemfile.lock

.gitlab-ci.yml

@@ -632,9 +632,6 @@ codequality:
   cache: {}
   dependencies: []
   script:
-    # Get the custom rubocop codeclimate image (https://gitlab.com/gitlab-org/codeclimate-rubocop/wikis/home)
-    - docker pull dev.gitlab.org:5005/gitlab/gitlab-build-images:gitlab-codeclimate-rubocop-0-52-1
-    - docker tag dev.gitlab.org:5005/gitlab/gitlab-build-images:gitlab-codeclimate-rubocop-0-52-1 codeclimate/codeclimate-rubocop:gitlab-codeclimate-rubocop-0-52-1
     # Extract "MAJOR.MINOR" from CI_SERVER_VERSION and generate "MAJOR-MINOR-stable" for Security Products
     - export SP_VERSION=$(echo "$CI_SERVER_VERSION" | sed 's/^\([0-9]*\)\.\([0-9]*\).*/\1-\2-stable/')
     - docker run --env SOURCE_CODE="$PWD" --volume "$PWD":/code --volume /var/run/docker.sock:/var/run/docker.sock "registry.gitlab.com/gitlab-org/security-products/codequality:$SP_VERSION" /code