xrWeatherEditor: Remove boost::noncopyable dependency.

Can be done with C++11 without depending on boost.

Author: CrossVR

src/editors/xrWeatherEditor/window_weather_editor.cpp

@@ -21,10 +21,14 @@ using Microsoft::Win32::Registry;
 using Microsoft::Win32::RegistryKey;
 using Microsoft::Win32::RegistryValueKind;
 
-struct engine_pauser_guard : private boost::noncopyable {
+struct engine_pauser_guard {
 	engine&		m_engine;
 	bool		m_weather_paused;
 
+	// Non-copyable
+	engine_pauser_guard(const engine_pauser_guard&) = delete;
+	engine_pauser_guard& operator=(const engine_pauser_guard&) = delete;
+
 	inline	engine_pauser_guard	(engine& engine, bool const& value) :
 		m_engine				(engine),
 		m_weather_paused		(engine.weather_paused())