Paramedics tried to revive rapper Coolio for 45 minutes after he was found unresponsive in a bathroom at a downtown Los Angeles home Wednesday afternoon, according to reports. The 59-year-old Grammy-winning musician — whose 1995 single, “Gangsta’s Paradise,” went on to sell more than 5 million copies worldwide — was found unresponsive on the floor of a friend’s home, according to his longtime manager Jarez Posey. He was pronounced dead at the scene. No cause of death was given, but on Thursday, TMZ offered more details on his unexpected death. Emergency medical technicians administered CPR for…