Remove default CI/CD stages and disable Auto-DevOps workflow

.gitlab-ci.yml

@@ -1,26 +1,3 @@
-# You can override the included template(s) by including variable overrides
-# SAST customization: https://docs.gitlab.com/ee/user/application_security/sast/#customizing-the-sast-settings
-# Secret Detection customization: https://docs.gitlab.com/ee/user/application_security/secret_detection/pipeline/#customization
-# Dependency Scanning customization: https://docs.gitlab.com/ee/user/application_security/dependency_scanning/#customizing-the-dependency-scanning-settings
-# Container Scanning customization: https://docs.gitlab.com/ee/user/application_security/container_scanning/#customizing-the-container-scanning-settings
-# Note that environment variables can be set in several places
-# See https://docs.gitlab.com/ee/ci/variables/#cicd-variable-precedence
-stages:
-- build
-- test
-- deploy
-- review
-- dast
-- staging
-- canary
-- production
-- incremental rollout 10%
-- incremental rollout 25%
-- incremental rollout 50%
-- incremental rollout 100%
-- performance
-- cleanup
-sast:
-  stage: test
-include:
-- template: Auto-DevOps.gitlab-ci.yml
+workflow:
+  rules:
+    - when: never