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/OptionRow.cpp

@@ -71,7 +71,7 @@ void OptionRow::Clear()
 		for (RString const &m : m_pHand->m_vsReloadRowMessages)
 			MESSAGEMAN->Unsubscribe( this, m );
 	}
-	SAFE_DELETE( m_pHand );
+	RageUtil::SafeDelete( m_pHand );
 
 	m_bFirstItemGoesDown = false;
 	ZERO( m_bRowHasFocus );