removed get_backlink_handles from RelLib

svn: r5592

src/RelLib/_helper.py

@@ -375,24 +375,6 @@ class PrimaryObject(BaseObject,PrivacyBase):
 
     def _replace_handle_reference(self,classname,old_handle,new_handle):
         pass
-
-    def get_backlink_handles(self,db,include_classes=None):
-        """Get a list of all primary objects that make some reference to this
-        primary object, either directly or via a child object.
-
-        Returns an iterator over tuples each of the form (class_name,handle).
-
-        To get a list use:
-
-        references = [ ref for ref in obj.get_backlink_handles() ]
-
-        @param db: a object with the find_backlink_handles method
-        @type db: usually a instance of a class derived from GrampsDbBase.
-        @param include_classes: the primary classes to include in the result.
-        @type: tuple of primary class names as strings, or None for all classes.
-        """
-        
-        return db.find_backlink_handles(self.get_handle(),include_classes)
         
     def set_marker(self,marker):
         self.marker = marker