Update .gitlab-ci.yml

.gitlab-ci.yml

@@ -6,21 +6,8 @@ cache:
     - node_modules/
 
 stages:
-      - install
-      - unit-testing
       - deploy-pages
 
-install:
-  stage: install
-  script:
-    - npm install
-    - npm install --only=dev
-
-unit_testing:
-  stage: unit-testing
-  script:
-    - npm run test
-
 deploy_pages:
   image: alpine:latest
   stage: deploy-pages