One of the changes Mike Kafka made after taking over as interim coach of the New York Giants was shifting the weekly schedule to give players every Monday off, so Brian Burns was home when Jevon Holland delivered the news that defensive coordinator Shane Bowen had been fired. “Once you have that first firing, things start to kind of happen from there and I’ve seen it before, so it’s not like a crazy shocker,” Burns said Tuesday. Bowen is gone, following Brian Daboll out the door two weeks after he was fired as coach, and now the Giants are trying to move on with interim defensive coordinator Charlie Bullen.