A death sentence for a Miami gang leader has been shockingly overturned after a judge was exposed for sending brutal texts to the district attorney’s office. The State Attorney’s Office announced it would avoid the death penalty for Corey Smith, leader of the John Does — a ruthless drug gang in Liberty City — and instead aim for a lighter sentence after his defense team pushed for a retrial, RadarOnline.com can reveal. Text messages from Judge Bronwyn Miller were recently revealed, exposing her criticism of defense attorneys and derogatory remarks about other judges in messages exchanged from …