remove timestmap from assert

Author: adwk67

tests/templates/kuttl/smoke/60-assert.yaml.j2

@@ -366,7 +366,6 @@ spec:
     metadata:
       annotations:
         listeners.stackable.tech/listener-name: hive-metastore
-      creationTimestamp: null
       labels:
         app.kubernetes.io/component: metastore
         app.kubernetes.io/instance: hive