Tim Duncan smirked at the notion that Tony Parker needed time to regain his form after sitting out much of the preseason. “His rhythm’s been back. He hasn’t lost it. He’s been going 100 miles an hour since he’s been back,” Duncan said. “I don’t know if he’s been breathing hard here and there, but he’s been looking good.” It was hard to argue with that on Friday night, when Parker scored early, often…