Revert "trying to fix "field is immutable" error from oc apply"

This reverts commit 336d4e71ce.
It didn't help.

roles/openshift/project/templates/project.yml

@@ -4,10 +4,7 @@ metadata:
   annotations:
     openshift.io/description: "{{description}}"
     openshift.io/display-name: "{{app}}"
-{% if env == 'staging' %}
-{% else %}
   creationTimestamp: null
-{% endif %}
   name: "{{app}}"
 spec: {}
 status: {}