namespaces: remove names method on the namespaces object

Now that there is an object for each individual namespace, we use that instead
of the method on the collection of namespaces.

mercurial/namespaces.py

@@ -89,11 +89,6 b' class namespaces(object):'
         """method that returns the template name of a namespace"""
         return self._names[namespace].templatename
 
-    def names(self, repo, namespace, node):
-        """method that returns a (sorted) list of names in a namespace that
-        match a given node"""
-        return sorted(self._names[namespace].nodemap(repo, node))
-
 class namespace(object):
     """provides an interface to a namespace