UWB: Remove Unused RTSU Constants

   * closed.

   */

  const int RANGING_SESSION_CLOSE_THRESHOLD_MS = 3000; // Value TBD

  /**

   * Ranging scheduling time unit (RSTU) for High Rate Pulse (HRP) PHY

   */

  const int HIGH_RATE_PULSE_CHIRPS_PER_RSTU = 416;

  /**

   * Ranging scheduling time unit (RSTU) for Low Rate Pulse (LRP) PHY

   */

  const int LOW_RATE_PULSE_CHIRPS_PER_RSTU = 1;

}