Turns out that the subjects: thing is just informational

Signed-off-by: Patrick Uiterwijk <puiterwijk@redhat.com>

roles/openshift/project/templates/appowners.yml

@@ -5,8 +5,7 @@ metadata:
   name: appowners
 roleRef:
   name: appowner
-subjects:
+userNames:
 {% for owner in appowners %}
-- kind: User
-  name: "{{owner}}"
+- {{ owner }}
 {% endfor %}