A Riker’s Island inmate died Sunday morning, the second fatality at the city jail in less than a week, officials said.  Accused drug-ring leader John Price, 49, was being held at the Eric M. Taylor Center at Riker’s when he complained to guards that he needed medical attention around 5:40 p.m. Saturday, corrections officials said.  Price was moved off the island for treatment at Elmhurst Hospital . He died hours later at the hospital, according to authorities.  Mayor Zohran Mamdani said an