Remove a lot of the old Name.names usages in favor of a direct NamePart usage.

jedi/evaluate/representation.py

@@ -303,12 +303,6 @@ class InstanceElement(use_metaclass(CachedMetaClass, pr.Base)):
         return [get_instance_el(self._evaluator, self.instance, command, self.is_class_var)
                 for command in self.var.expression_list()]
 
-    @property
-    @underscore_memoization
-    def names(self):
-        return [pr.NamePart(helpers.FakeSubModule, unicode(n), self, n.start_pos)
-                for n in self.var.names]
-
     @property
     @underscore_memoization
     def name(self):