Cleanup Snapserver includes

server/stream_session_ws.hpp

@@ -1,6 +1,6 @@
 /***
     This file is part of snapcast
-    Copyright (C) 2014-2022  Johannes Pohl
+    Copyright (C) 2014-2024  Johannes Pohl
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -16,8 +16,8 @@
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ***/
 
-#ifndef STREAM_SESSION_WS_HPP
-#define STREAM_SESSION_WS_HPP
+#pragma once
+
 
 // local headers
 #include "stream_session.hpp"
@@ -35,7 +35,7 @@
 #include <boost/beast/websocket.hpp>
 
 // standard headers
-#include <deque>
+
 
 namespace beast = boost::beast; // from <boost/beast.hpp>
 // namespace http = beast::http;           // from <boost/beast/http.hpp>
@@ -69,7 +69,3 @@ protected:
 protected:
     beast::flat_buffer buffer_;
 };
-
-
-
-#endif