Revert "Project modernization (#630)"

This code was not tested and breaks in Release builds, reverting to restore
functionality of the nightly. All in-game menus do not work and generating
a world crashes.

This reverts commit a9be52c41a.

Minecraft.Client/Windows64/Network/WinsockNetLayer.h

@@ -66,7 +66,7 @@ public:
 	static bool Initialize();
 	static void Shutdown();
 
-	static bool HostGame(int port, const char* bindIp = nullptr);
+	static bool HostGame(int port, const char* bindIp = NULL);
 	static bool JoinGame(const char* ip, int port);
 
 	static bool SendToSmallId(BYTE targetSmallId, const void* data, int dataSize);