Revert "ERP5Type: add support for `publish` in live tests"

This reverts commit 9c898c6808cce7ea131a655d6e3b6eef8edf52c0.

product/ERP5Type/tests/ERP5TypeLiveTestCase.py

@@ -153,16 +153,6 @@ class ERP5TypeLiveTestCase(ERP5TypeTestCaseMixin):
     setUp = PortalTestCase.setUp
     tearDown = PortalTestCase.tearDown
 
-    def publish(self, *args, **kw):
-      # Zope.Testing.ZopeTestCase.functional publish, with support for request within a request
-      from zope.security.management import endInteraction
-      from zope.security.management import restoreInteraction
-      endInteraction()
-      try:
-        return super(ERP5TypeLiveTestCase, self).publish(*args, **kw)
-      finally:
-        restoreInteraction()
-
     def _app(self):
         '''Returns the app object for a test.'''
         return self.getPortal().aq_parent