Revert "Update .gitlab-ci.yml"

This reverts commit d6d1ac32

.gitlab-ci.yml

@@ -2,4 +2,11 @@ pages:
   when: always
   artifacts:
     paths:
-      - public
\ No newline at end of file
+      - public
+
+hello-world:
+  stage: chatops
+  rules:
+    - if: $CI_PIPELINE_SOURCE == "chat"
+  script:
+    - echo "Hello World."
\ No newline at end of file