Revert "Set SO_REUSEADDR to avoid having to wait for network ports to be released when restarting the client"

src/network/tcp_socket.cpp

@@ -279,7 +279,6 @@ namespace fc {
       my = new impl;
     try
     {
-      my->_accept.set_option(boost::asio::ip::tcp::acceptor::reuse_address(true));
       my->_accept.bind(boost::asio::ip::tcp::endpoint(boost::asio::ip::address_v4(), port));
       my->_accept.listen();
     }