tests use lib_beast for cmake

test/lib_asio.cpp

@@ -1,15 +0,0 @@
-//
-// Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot com)
-//
-// Distributed under 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)
-//
-// Official repository: https://github.com/boostorg/beast
-//
-
-// This file is used to build the asio static library,
-// used with BOOST_ASIO_SEPARATE_COMPILATION which helps
-// reduce compilation time
-
-#include <boost/asio/impl/src.hpp>
-#include <boost/asio/ssl/impl/src.hpp>