SEATTLE — The Stars skated with Joe Pavelski, Roope Hintz and Jason Robertson together again on the top line Tuesday morning. It’s a line that has been together for more than two years and ranked right at the top of the NHL in goal production. Pavelski suffered a concussion in Game 1 against Minnesota and was replaced by Tyler Seguin on that line for the rest of the series. When Pavelski returned for Game 1 against Seattle, he scored four goals while playing alongside Max Domi and Mason Marchment. He said the line change should help him, “but you’ve got to help yourself too.