Don't point to ancient pre-3.6 releases

downloads.rst

-Alternative ZODB downloads
-==========================
-
-Classic downloads
------------------
-
-Older releases (3.6 and ealrlier) are available as tar downloads and binary
-installers for Windows and were released on our old site. See the `summary
-page <http://www.zope.org/Products/ZODB3>`_ of the (old) releases. 
-
-Subversion
-----------
-
-All ZODB releases are available from Subversion. The trunk is available from
-Subversion at svn://svn.zope.org/repos/main/ZODB/trunk.

index.rst

@@ -56,9 +56,6 @@ You can install the egg using setuptools' easy_install command::
 
     $ easy_install ZODB3
 
-`Other downloads <downloads.html>`_ are available for old (non-egg) releases
-and via Subversion.
-
 Community and contributing
 ==========================