Decision to close the formal investigation procedure after withdrawal by Member State — State aid — Greece (Articles 107 to 109 of the Treaty on the Functioning of the European Union) — Commission notice pursuant to Article 108(2) of the TFEU — Withdrawal of notification — State aid SA.35608 14/C (ex 14/N) — Hellenic Post (ELTA) — Compensation for the financing of the universal postal service (Text with EEA relevance )