reverted unwanted change in buildout.cfg

git-svn-id: http://svn.zope.org/repos/main/zc.buildout/trunk@105233 62d5b8a3-27da-0310-9561-8e5933582275

buildout.cfg

@@ -26,12 +26,3 @@ defaults =
   '!(bootstrap|selectingpython|selecting-python)',
   ]
 
-[python2.4]
-executable = python2.4
-
-[python2.5]
-executable = python2.5
-
-[python2.6]
-executable = python2.6
-