message: refactor: remove MarkerId interface
diff: @@ -29,13 +29,8 @@ const MARKER_DATA_CIRCLE = 'circle';
  const INITIAL_NUMBER_OF_RESULTS = 20;
  -export interface MarkerId {
  - set: DataSet;
  - id: string;
  -}
  -
  export interface MarkerIdAndInfo {
  - id;
  + id: string;
  info: MarkerInfo;
  }
  