CENTURION: A combination of flying ants, a fused light pylon and Tilak Varma’s maiden T20I century proved to be the undoing of the Proteas on a balmy Wednesday night at SuperSport Park.It was just 18 months ago here at this very ground that the Proteas chased down a world-record 258 against the West Indies.But that was always going to be the exception to the rule, with India’s 219/6 proving to be ample on the night as the South Africans went down by 11 runs.If a 25-minute delay due to flying insects hovering over the pitch after the Proteas’ first over of the run chase was not…