Remove packaging from the standard library.

Distutils2 will live on on PyPI and be included in the stdlib when it
is ready.  See discussion starting at
http://mail.python.org/pipermail/python-dev/2012-June/120430.html
diff --git a/Doc/using/cmdline.rst b/Doc/using/cmdline.rst
index 40e850e..b14f370 100644
--- a/Doc/using/cmdline.rst
+++ b/Doc/using/cmdline.rst
@@ -528,8 +528,8 @@
 
    Defines the :data:`user base directory <site.USER_BASE>`, which is used to
    compute the path of the :data:`user site-packages directory <site.USER_SITE>`
-   and :ref:`Packaging installation paths <packaging-alt-install-user>` for
-   ``pysetup run install_dist --user``.
+   and :ref:`Distutils installation paths <inst-alt-install-user>` for
+   ``python setup.py install --user``.
 
    .. seealso::