message: Removed unused _colorIndexes property in histogram pane view
diff: @@ -37,7 +37,6 @@ export class SeriesHistogramPaneView extends SeriesPaneViewBase<'Histogram', Tim
  private _compositeRenderer: CompositeRenderer = new CompositeRenderer();
  private _histogramData: PaneRendererHistogramData = createEmptyHistogramData(0);
  private _renderer: PaneRendererHistogram;
  - private _colorIndexes: Int32Array = new Int32Array(0);
  public constructor(series: Series<'Histogram'>, model: ChartModel) {
  super(series, model, false);
  @@ -56,8 +55,6 @@ export class SeriesHistogramPaneView extends SeriesPaneViewBase<'Histogram', Tim
  this._histogramData = createEmptyHistogramData(barSpacing);
  const barValueGetter = this._series.barFunction();
  - this._colorIndexes = new Int32Array(this._series.bars().size());
  - let targetColorIndex = 0;
  let targetIndex = 0;
  let itemIndex = 0;
  @@ -72,7 +69,6 @@ export class SeriesHistogramPaneView extends SeriesPaneViewBase<'Histogram', Tim
  const item = createRawItem(index, value, color);
  // colorIndex is the paneview's internal palette index
  // this internal palette stores defaultColor by 0 index and pallette colors by paletteColorIndex + 1
  - const colorIndex = paletteColorIndex == null ? 0 : paletteColorIndex + 1;
  targetIndex++;
  if (targetIndex < this._histogramData.items.length) {
  this._histogramData.items[targetIndex] = item;
  @@ -80,7 +76,6 @@ export class SeriesHistogramPaneView extends SeriesPaneViewBase<'Histogram', Tim
  this._histogramData.items.push(item);
  }
  this._items[itemIndex++] = { time: index, x: 0 as Coordinate };
  - this._colorIndexes[targetColorIndex++] = colorIndex;
  return false;
  });
  