fix compilation error

Network/Server.cpp

@@ -684,7 +684,6 @@ bool SSLSKlient::getNachricht(
         if (l <= 0)
         {
 #ifdef _DEBUG
-            SSL_ERROR_WANT_ASYNC
             std::cout << "SSL_read: " << l
                       << " Error: " << SSL_get_error(ssl, l) << std::endl;
 #endif