Revert addition of BOOST_NIX, etc and everything tied to it. ([66696], [66783], [66804], [66833], and [66834])

[SVN r68201]

test/no_fenv_h_fail.cpp

@@ -1,33 +0,0 @@
-//  Copyright Bryce Lelbach 2010.
-//  Copyright John Maddock 2002-4.
-//  Use, modification and distribution are subject to the 
-//  Boost Software License, Version 1.0. (See accompanying file 
-//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-
-//  See http://www.boost.org/libs/config for the most recent version.
-
-// Test file for macro BOOST_NO_FENV_H
-// This file should not compile, if it does then
-// BOOST_NO_FENV_H should not be defined.
-// See file boost_no_fenv_h.ipp for details
-
-// Must not have BOOST_ASSERT_CONFIG set; it defeats
-// the objective of this file:
-#ifdef BOOST_ASSERT_CONFIG
-#  undef BOOST_ASSERT_CONFIG
-#endif
-
-#include <boost/config.hpp>
-#include "test.hpp"
-
-#ifdef BOOST_NO_FENV_H
-#include "boost_no_fenv_h.ipp"
-#else
-#error "this file should not compile"
-#endif
-
-int main( int, char *[] )
-{
-   return boost_no_fenv_h::test();
-}
-