Which teams had the most postseason empty net goals in 2010 season? List their team names.
most postseason empty net goals refers to max(PostENG)
SELECT T2.name FROM Goalies AS T1 INNER JOIN Teams AS T2 ON T1.tmID = T2.tmID WHERE T1.year = 2010 GROUP BY T2.name ORDER BY SUM(PostENG) DESC LIMIT 1