Revert "enable the site preference when setting up the site."

This reverts commit 970d1d19,
which breaks many unit tests.

product/ERP5Type/tests/ERP5TypeTestCase.py

@@ -888,8 +888,6 @@ class ERP5TypeCommandLineTestCase(ERP5TypeTestCaseMixin):
                         self.getDefaultSitePreferenceId()]
       preference._setPreferredOoodocServerAddress(conversion_dict['hostname'])
       preference._setPreferredOoodocServerPortNumber(conversion_dict['port'])
-      if self.portal.portal_workflow.isTransitionPossible(preference, 'enable'):
-        preference.enable()
 
     def _updateMemcachedConfiguration(self):
       """Update default memcached plugin configuration