message: Remove unused type.
diff: @@ -1621,8 +1621,6 @@ export namespace TextureMapping {
  FrontProject = 8, // Only valid for lights.
  }
  - export type NumArr6 = [number, number, number, number, number, number];
  -
  export class Trans2x3 {
  private _vals = new Array<[number, number, number]>(2);
  private _transform?: Transform;
  