Merged revisions 78393 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

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  r78393 | amaury.forgeotdarc | 2010-02-24 00:19:39 +0100 (mer., 24 févr. 2010) | 2 lines

  #4852: Remove dead code in every thread implementation, unused for many years.
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