BLAINE, Minn. — Steve Howard knows how to build a championship team in the North American Hockey League. The Austin Bruins’ ninth-year head coach and general manager was just hoping to have three more days on the ice with his current championship group. And he was hoping to give the fans who supported the team all season and made the two-hour trip from Austin at least another game. But for a second consecutive night, the Bruins — the NAHL regula…