Revert "Change name helm-cert-manager"

This reverts commit b03889d1bb.

apps/templates/helm-cert-manager.yaml

@@ -1,7 +1,7 @@
 apiVersion: argoproj.io/v1alpha1
 kind: Application
 metadata:
-  name: helm-cert-manager
+  name: cert-manager
   namespace: argocd
   finalizers:
   - resources-finalizer.argocd.argoproj.io
@@ -22,6 +22,4 @@ spec:
   syncPolicy:
     syncOptions:
     - CreateNamespace=true
-    automated:
-      prune: true
-      selfHeal: true
+    automated: {}