remove app.kubernetes.io/instance: cert-manager label from cert-manager CRD

cert-manager/kustomization.yaml

@@ -6,3 +6,9 @@ namespace: cert-manager
 resources:
 - https://github.com/cert-manager/cert-manager/releases/download/v1.16.1/cert-manager.yaml
 - ./base/mziesel-ca.yaml
+
+patches:
+  - path: ./remove-instance-label.jsonpatch.yaml
+    target:
+      kind: CustomResourceDefinition
+      labelSelector: app.kubernetes.io/instance=cert-manager

cert-manager/remove-instance-label.jsonpatch.yaml

@@ -0,0 +1,3 @@
+---
+- op: remove
+  path: /metadata/labels/app.kubernetes.io~1instance