Turkcell Iletisim Hizmetleri AS (TCELL)withdrew a lawsuit againstMTN Group Ltd. (MTN)over bribes MTN allegedly paid to get an Iranian mobile-phone license, citing aSupreme Courtdecision that bars such cases in theU.S. Turkcell, based in Istanbul, told U.S. District JudgeReggie Waltonin a court filing today in Washington that it would drop the ...