Remove obsolete TODO

        // If the phone is rotated to landscape, the calculations would be wrong if xdpi and ydpi

        // were to be used separately. Due negligible differences in xdpi and ydpi we can just

        // take the average.

        // TODO: make this respect DPI changes.

        // Note that xdpi and ydpi are the physical pixels per inch and are not affected by scaling.

        mDpi = (displayMetrics.xdpi + displayMetrics.ydpi) / 2.0f;

        mClassifierData = new ClassifierData(mDpi);

        mHistoryEvaluator = new HistoryEvaluator();