By John Revill BELLINZONA, Switzerland (Reuters) -The trial of former FIFA president Sepp Blatter and French footballing legend Michel Platini over alleged corrupt payments ground to a halt on Wednesday when Blatter said he was too ill to testify. Swiss prosecutors accuse the pair, once among football’s most powerful figures, of unlawfully arranging a payment of two million Swiss francs ($2.08 million) in 2011. Blatter and Platini both deny the charges. But Blatter, looking frail during the hearing at the Federal Criminal Court in Bellinzona, said he was unable to address the court due to ches…