ElevatorFeedforward.calculate(double velocity, double acceleration) is depecated for removal

Details: https://github.com/wpilibsuite/allwpilib/issues/7736
This overload is used on the [ProfiledPIDController page](https://docs.wpilib.org/en/stable/docs/software/advanced-controls/controllers/profiled-pidcontroller.html#getting-using-the-setpoint).