message: Remove unnecessary virtual
diff: @@ -34,7 +34,7 @@ class BehaviorConstantVelocity : public BehaviorIDMClassic {
  Trajectory Plan(float delta_time,
  const ObservedWorld& observed_world);
  - virtual std::pair<double, double> GetTotalAcc(
  + std::pair<double, double> GetTotalAcc(
  const world::ObservedWorld& observed_world,
  const IDMRelativeValues& rel_values,
  double rel_distance,
  