Replace SAFE_DELETE / SAFE_DELETE_ARRAY macros

SAFE_DELETE -> RageUtil::SafeDelete
SAFE_DELETE_ARRAY -> RageUtil::SafeDeleteArray

Update JsonUtil.h to include RageUtil.h - MSVC doesn't need it included for some reason, but GCC and XCode does.

src/LightsManager.cpp

@@ -126,7 +126,7 @@ LightsManager::~LightsManager()
 {
 	for (LightsDriver *iter : m_vpDrivers)
 	{
-		SAFE_DELETE( iter );
+		RageUtil::SafeDelete( iter );
 	}
 	m_vpDrivers.clear();
 }