NEW YORK — A Brooklyn judge rejected a bid for release Thursday by the man accused of shooting Run-DMC deejay Jam Master Jay to death in his Queens studio nearly 20 years ago. Brooklyn Federal Court Judge LaShann DeArcy Hall denied Karl Jordan’s request for release on $1 million bond, saying that she believes the government has proven that he is a danger to the community if released. “Tellingly, the defense did not address the nature and circumstances of the charged homicide offense,” Hall said. “The court cannot find that the defendant has met his burden with respect to dangerousness.” Jordan…