Remove unnecessary comments from test case

Author: stefanzetzsche

Lib/test/test_optparse.py

@@ -302,8 +302,6 @@ def test_callback_kwargs_no_dict(self):
                      'callback_kwargs': 'foo'})
 
     def test_callback_kwargs_tuple_not_dict(self):
-        # A tuple callback_kwargs should raise OptionError, not TypeError
-        # from string formatting unpacking the tuple.
         self.assertOptionError(
             "option -b: callback_kwargs, if supplied, "
             "must be a dict: not (1, 2)",