ATLANTA — Atlanta’s ever quirky culinary maestro Alton Brown has been a Food Network fixture for more than two decades going back to his one-of-a-kind “Good Eats” program through shows like “Food Network Star,” “Iron Chef America” and “Cutthroat Kitchen.” But all good eats must come to an end and with “Iron Chef” jumping to streaming service Netflix, Brown has come along for the ride. Brown maintains a busy calendar, juggling a live touring show and a new cookbook with this new TV gig. He is co-hosting “Iron Chef: Quest for an Iron Legend” with “Top Chef” winner Kristen Kish. The new season, w…