Update .gitlab-ci.yml, -f flag added to rm to omit clear directory

.gitlab-ci.yml

@@ -4,7 +4,7 @@ pages-testing:
     - npm install
     - npm run clean
     - npm run build
-    - rm -R ./built/views
+    - rm -rf ./built/views
     - cp -R ./views ./built
     - cat $configfiledev > ./built/config/config.js
     - "pm2 delete --silent project || :"
@@ -26,4 +26,4 @@ pages-production:
   tags: 
     - production
   only: 
-    - master
+    - master
\ No newline at end of file