By Daniel Chavkin The Warriors forward doesn’t believe the Nets are done yet. View the original article to see embedded media. It’s been a tough start to the playoffs for Kevin Durant and the Nets, who trail 0–2 to the Celtics after dropping two close games. A former teammate of Durant’s has noticed something interesting about how Brooklyn has been using their star forward. Warriors forward Draymond Green was surprised by how the Nets are letting the Celtics defense pick up Durant so high up the floor. “[Durant] just looked like he couldn’t find a rhythm,” Green said. “I was very shocked that …