Cleanup the finder.

jedi/evaluate/helpers.py

@@ -42,19 +42,6 @@ def deep_ast_copy(obj, parent=None, new_elements=None):
             new_children.append(new_child)
         new_obj.children = new_children
 
-        # Copy the names_dict (if there is one).
-        try:
-            names_dict = obj.names_dict
-        except AttributeError:
-            pass
-        else:
-            try:
-                new_obj.names_dict = new_names_dict = {}
-            except AttributeError:  # Impossible to set CompFor.names_dict
-                pass
-            else:
-                for string, names in names_dict.items():
-                    new_names_dict[string] = [new_elements[n] for n in names]
         return new_obj
 
     if isinstance(obj, tree.BaseNode):