message: Removed unused hasSeries method
diff: @@ -142,7 +142,6 @@ export class PriceScale {
  private _dataSources: IDataSource[] = [];
  private _cachedOrderedSources: IDataSource[] | null = null;
  - private _hasSeries: boolean = false;
  private _mainSource: IPriceDataSource | null = null;
  private _marksCache: PriceMark[] | null = null;
  @@ -486,19 +485,11 @@ export class PriceScale {
  return this._cachedOrderedSources;
  }
  - public hasSeries(): boolean {
  - return this._hasSeries;
  - }
  -
  public addDataSource(source: IDataSource): void {
  if (this._dataSources.indexOf(source) !== -1) {
  return;
  }
  - if ((source instanceof Series)) {
  - this._hasSeries = true;
  - }
  -
  this._dataSources.push(source);
  this._mainSource = null;
  this.updateFormatter();
  @@ -512,9 +503,6 @@ export class PriceScale {
  }
  this._dataSources.splice(index, 1);
  - if (source instanceof Series) {
  - this._hasSeries = false;
  - }
  if (!this.mainSource()) {
  this.setMode({
  