get rid of useless readme. perhaps someone will add a useful one later.

lib/python/Products/PageTemplates/README.txt

-See <a href="http://dev.zope.org/Wikis/DevSite/Projects/ZPT">the
-ZPT project Wiki</a> for more information about Page Templates, or
-<a href="http://www.zope.org/Members/4am/ZPT">the download page</a>
-for installation instructions and the most recent version of the software.
-
-This Product requires the TAL and ZTUtils packages to be installed in
-your Python path (not Products).  See the links above for more information.