Avoid object creation.

The promise will always fail, unless there is active system preference to fix.

bt5/erp5_promise/SkinTemplateItem/portal_skins/erp5_promise/Alarm_installPromiseConversionServer.xml

@@ -60,10 +60,7 @@ domain = domain_port[:-(len(port)+1)]\n
 \n
 system_preference = portal_preferences.getActiveSystemPreference()\n
 if system_preference is None:\n
-  system_preference = portal_preferences.newContent(\n
-                 portal_type="System Preference", \n
-                 title="Created by Promise Alarms")\n
-  system_preference.enable()\n
+  return\n
 \n
 system_preference.edit(\n
   preferred_ooodoc_server_address=domain,\n

bt5/erp5_promise/bt/revision

-20
\ No newline at end of file
+21
\ No newline at end of file