If the head of the nation's auto safety oversight has his way, self-driving cars won't need brake pedals or steering wheels in the near future.In an interview on CNBC's Squawk Box on Thursday, Jonathan Morrison, the administrator of the National Highway Traffic Safety Administration, said he supports innovation in autonomous vehicles, including doing away with some features that are currently mandated."If you're developing a vehicle that is designed never to be driven by a human operator, does it make any sense to require manual control for the vehicle?" Morrison said. "I think the answer is pretty clear there."Some self-driving cars, such…