By Matt Hladik When Tom Brady left the New England Patriots out of his retirement announcement earlier today, plenty of Pats fans took notice. So did former New England backup quarterback Scott Zolak. During today’s “Zolak & Bertrand” show on NBC Sports Boston, Zolak laid into the legendary QB, who won six Super Bowls with the Patriots. “He’s either one cold, calculating son of a b—-h to where you can release that and say ‘that’s it, that part of my life is done. This is my new venture.’ And it was Tampa Bay and now I’m just gonna thank those [people]. I already did New England, now I’m doing …