Eliminate warning message that looks like an error message. When it was

added not finding Lib/test in the path indicated something was wrong,
but when running regtest using "python -m" Lib/test isn't typically in
the path, so this message is now more disturbing than it is helpful.

Lib/test/regrtest.py

@@ -1445,6 +1445,4 @@ if __name__ == '__main__':
         i -= 1
         if os.path.abspath(os.path.normpath(sys.path[i])) == mydir:
             del sys.path[i]
-    if '--slaveargs' not in sys.argv and len(sys.path) == pathlen:
-        print 'Could not find %r in sys.path to remove it' % mydir
     main()