Case T-605/17: Order of the General Court of 24 September 2019 — CX v Commission (Civil Service — Officials — Remuneration — Decision of the Commission to recover salaries paid to the applicant — Debit note ordering recovery of the sums at issue — Replacement of the contested measures in the course of the proceedings — Abandonment of any measure seeking the recovery of the sums at issue — Action which has become devoid of purpose — No need to adjudicate)