Remove an obsolete admonition in tutorial one (referencing 0.96 functionality)

        def __unicode__(self):

            return self.choice

.. admonition:: If :meth:`~django.db.models.Model.__unicode__` doesn't seem to work

   If you add the :meth:`~django.db.models.Model.__unicode__` method to your

   models and don't see any change in how they're represented, you're most

   likely using an old version of Django. (This version of the tutorial is

   written for the latest development version of Django.) If you're using a

   Subversion checkout of Django's development version (see :doc:`the

   installation docs </topics/install>` for more information), you shouldn't have

   any problems.

   If you want to stick with an older version of Django, you'll want to switch

   to `the Django 0.96 tutorial`_, because this tutorial covers several features

   that only exist in the Django development version.

.. _the Django 0.96 tutorial: http://www.djangoproject.com/documentation/0.96/tutorial01/

It's important to add :meth:`~django.db.models.Model.__unicode__` methods to

your models, not only for your own sanity when dealing with the interactive

prompt, but also because objects' representations are used throughout Django's