erp5_catalog: No need to fake _proeprties for compatibility

product/ERP5Catalog/Document/ERP5Catalog.py

@@ -190,8 +190,6 @@ class ERP5Catalog(Folder, Catalog):
     # Initialize both SQLCatalog as well as Folder
     Catalog.__init__(self, id, title, container)
     Folder.__init__(self, id)
-    # Add for compatibility
-    self._properties = ()
 
   # Filter content (ZMI))
   def filtered_meta_types(self, user=None):

[Vincent Pelletier]

To squash in whatever commit added this.