diff --git a/3rdparty/cpprestsdk/src/pch/stdafx.h b/3rdparty/cpprestsdk/src/pch/stdafx.h
deleted file mode 100644
index cd648f8c6efc7265767e963922ae881b53282429..0000000000000000000000000000000000000000
--- a/3rdparty/cpprestsdk/src/pch/stdafx.h
+++ /dev/null
@@ -1,162 +0,0 @@
-/***
-* ==++==
-*
-* Copyright (c) Microsoft Corporation. All rights reserved.
-* Licensed under the Apache License, Version 2.0 (the "License");
-* you may not use this file except in compliance with the License.
-* You may obtain a copy of the License at
-* http://www.apache.org/licenses/LICENSE-2.0
-*
-* Unless required by applicable law or agreed to in writing, software
-* distributed under the License is distributed on an "AS IS" BASIS,
-* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-* See the License for the specific language governing permissions and
-* limitations under the License.
-*
-* ==--==
-* =+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
-*
-* Pre-compiled headers
-*
-* For the latest on this and related APIs, please see http://casablanca.codeplex.com.
-*
-* =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
-****/
-
-#pragma once
-
-#include "cpprest/details/cpprest_compat.h"
-#include "cpprest/details/basic_types.h"
-
-#ifdef _WIN32
-#ifdef CPPREST_TARGET_XP
-#include <winsdkver.h>
-#ifndef _WIN32_WINNT
-#define _WIN32_WINNT _WIN32_WINNT_WS03 //Windows XP with SP2
-#endif
-#endif
-#include <SDKDDKVer.h>
-// use the debug version of the CRT if _DEBUG is defined
-#ifdef _DEBUG
-    #define _CRTDBG_MAP_ALLOC
-    #include <stdlib.h>
-    #include <crtdbg.h>
-#endif
-
-#ifndef WIN32_LEAN_AND_MEAN
-#define WIN32_LEAN_AND_MEAN             // Exclude rarely-used stuff from Windows headers
-// Windows Header Files:
-#define NOMINMAX
-#endif
-
-#include <windows.h>
-#include <objbase.h>
-
-// Windows Header Files:
-#if !defined(__cplusplus_winrt)
-#include <winhttp.h>
-
-#endif // #if !defined(__cplusplus_winrt)
-#else // LINUX or APPLE
-#define __STDC_LIMIT_MACROS
-#include <stdint.h>
-#include <cstdint>
-#include <string>
-#include <sstream>
-#include <thread>
-#include <atomic>
-#include <signal.h>
-#include "pthread.h"
-#if (defined(ANDROID) || defined(__ANDROID__))
-// Boost doesn't recognize libstdcpp on top of clang correctly
-#include "boost/config.hpp"
-#include "boost/config/stdlib/libstdcpp3.hpp"
-#undef BOOST_NO_CXX11_SMART_PTR
-#undef BOOST_NO_CXX11_NULLPTR
-#endif
-#include "boost/thread/mutex.hpp"
-#include "boost/thread/condition_variable.hpp"
-#include "boost/date_time/posix_time/posix_time_types.hpp"
-#include "boost/bind/bind.hpp"
-#include <sys/stat.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/syscall.h>
-#endif // _WIN32
-
-// Macro indicating the C++ Rest SDK product itself is being built.
-// This is to help track how many developers are directly building from source themselves.
-#define _CASA_BUILD_FROM_SRC
-
-#include <iostream>
-#include <fstream>
-#include <algorithm>
-#include <exception>
-#include <assert.h>
-#include <streambuf>
-#include <mutex>
-#include <array>
-#include <vector>
-#include <memory>
-#include <thread>
-
-#include "pplx/pplxtasks.h"
-#include "cpprest/version.h"
-
-// streams
-#include "cpprest/streams.h"
-#include "cpprest/astreambuf.h"
-#include "cpprest/rawptrstream.h"
-#include "cpprest/interopstream.h"
-#include "cpprest/producerconsumerstream.h"
-
-// json
-#include "cpprest/json.h"
-
-// uri
-#include "cpprest/base_uri.h"
-#include "cpprest/details/uri_parser.h"
-
-// utilities
-#include "cpprest/asyncrt_utils.h"
-#include "cpprest/details/web_utilities.h"
-
-// http
-#include "cpprest/http_headers.h"
-#include "cpprest/http_msg.h"
-#include "cpprest/http_client.h"
-#include "cpprest/details/http_helpers.h"
-
-// oauth
-#if !defined(_WIN32) || _WIN32_WINNT >= _WIN32_WINNT_VISTA
-#include "cpprest/oauth1.h"
-#endif
-#include "cpprest/oauth2.h"
-
-// websockets
-#include "cpprest/ws_client.h"
-#include "cpprest/ws_msg.h"
-
-#if !defined(__cplusplus_winrt)
-#if _WIN32_WINNT >= _WIN32_WINNT_VISTA
-#include "cpprest/details/http_server.h"
-#include "cpprest/http_listener.h"
-#include "cpprest/details/http_server_api.h"
-#endif // _WIN32_WINNT >= _WIN32_WINNT_VISTA
-
-#ifdef _WIN32
-#if _WIN32_WINNT >= _WIN32_WINNT_VISTA
-#include "cpprest/details/http_server_httpsys.h"
-#endif // _WIN32_WINNT >= _WIN32_WINNT_VISTA
-#else
-#include "cpprest/details/http_server_asio.h"
-#endif
-
-#endif
-
-#if defined(max)
-#error: max macro defined -- make sure to #define NOMINMAX before including windows.h
-#endif
-#if defined(min)
-#error: min macro defined -- make sure to #define NOMINMAX before including windows.h
-#endif