PHILADELPHIA — The U.S. Supreme Court quietly announced Monday that it would not review Bill Cosby’s sexual assault case, leaving him a free man and ending a two-decade legal drama that shifted the cultural landscape, destroyed the groundbreaking Black actor’s reputation, and sent him to prison for several years late in life.The high court, without comment, declined to review a stunning decision out of Pennsylvania that released Cosby from prison in June over the word of a former prosecutor who said he …