message: remove ARKStep Create utility function
diff: @@ -190,10 +190,6 @@ public:
  /// Interface to ARKode's ARKStep module -- additive Runge-Kutta methods.
  class ARKStepSolver : public ODESolver, public SundialsSolver
  {
  -private:
  - /// Utility function for creating ARKStep.
  - void Create(double &t, Vector &x);
  -
  public:
  /// Types of ARKODE solvers.
  enum Type
  