It's officially over now. The team that began to take shape six seasons ago as a contender Saturday became a footnote in Washington basketball history. The trade of Caron Butler, Brendan Haywood and DeShawn Stevenson to the Dallas Mavericks dropped the curtain on the whole run. The team featuring Gilbert Arenas, Larry Hughes/Stevenson, Antawn Jamison, Haywood and Butler has essentially been dismantled. If you figure Arenas will never play here again, Jamison is the only one of the principals remaining, and if he's lucky President Ernie Grunfeld will free him, too, before Thursday's trading deadline.