message: refactor(core): remove no longer used helper methods in the `renderer3` folder
  This commit updates the `render_util.ts` file to drop no longer needed helpers.
  PR Close
diff: @@ -291,7 +291,6 @@ describe('instructions', () => {
  }
  ngDevModeResetPerfCounters();
  TestBed.createComponent(NestedLoops);
  - debugger;
  expect(ngDevMode).toEqual(jasmine.objectContaining({
  // Expect: component view + ngFor(row) + ngFor(col)
  tView: 3, // should be: 3
  