Removes unnecessary use of `runtimeType`
Removes unnecessary use of `runtimeType`

PiperOrigin-RevId: 185045818

kevmoo/angular,chalin/angular2,matanlurey/angular,kevmoo/angular,angulardart/angular,chalin/angular2,matanlurey/angular,angulardart/angular,matanlurey/angular,chalin/angular2,kevmoo/angular,angulardart/angular