initBTrees does not need to be exposed

product/ERP5Type/Core/Folder.py

@@ -666,13 +666,6 @@ class Folder(CopyContainer, CMFBTreeFolder, CMFHBTreeFolder, Base, FolderMixIn):
       return CMFHBTreeFolder._initBTrees(self)
     else:
       return CMFBTreeFolder._initBTrees(self)
-    
-  def initBTrees(self):
-    """ """
-    if self._folder_handler == HBTREE_HANDLER:
-      return CMFHBTreeFolder.initBTrees(self)
-    else:
-      return CMFBTreeFolder.initBTrees(self)
 
   def hashId(self, id):
     """Return a hash of id

product/HBTreeFolder2/HBTreeFolder2.py

@@ -165,10 +165,6 @@ class HBTreeFolder2Base (Persistent):
         self._htree = OOBTree()
         self._count = Length()
         self._tree_list = PersistentMapping()
-        
-    def initBTrees(self):
-        """ """
-        return self._initBTrees()
 
     def _populateFromFolder(self, source):
         """Fill this folder with the contents of another folder.