SKIP UPGRADE Pipeline Refactor

• This consolidates all of the values files used to tests/test-values.yaml and certs to chart/ingress-certs.yaml.
• I have removed files that are no longer used
• Moved pipeline to pipeline-templates

Closes https://repo1.dso.mil/platform-one/big-bang/bigbang/-/issues/803

MR moving the pipeline to pipeline-templates https://repo1.dso.mil/platform-one/big-bang/pipeline-templates/pipeline-templates/-/merge_requests/80

chart/templates/gitlab/namespace.yaml

@@ -6,6 +6,6 @@ metadata:
     app.kubernetes.io/name: gitlab
     app.kubernetes.io/component: "developer-tools"
     {{- include "commonLabels" . | nindent 4}}
-    istio-injection: disabled
+    istio-injection: {{ dig "istio" "injection" "enabled" .Values.addons.gitlab }}
   name: gitlab
 {{- end }}