startup: rm unused convenience functions
startup: rm unused convenience functions

manuelli/director,openhumanoids/director,RobotLocomotion/director,manuelli/director,manuelli/director,openhumanoids/director,RobotLocomotion/director,patmarion/director,openhumanoids/director,RobotLocomotion/director,manuelli/director,manuelli/director,patmarion/director,patmarion/director,mitdrc/director,mitdrc/director,openhumanoids/director,mitdrc/director,mitdrc/director,openhumanoids/director,mitdrc/director,patmarion/director,patmarion/director,RobotLocomotion/director,RobotLocomotion/director