GOTHENBURG, Sweden — Macklin Celebrini is thrilled his college teammates are getting the opportunity. “But not while we’re here.” The 17-year-old Vancouver native had 10 goals and 25 points in 15 games for Boston University before making his country’s roster for the under-20 tournament that opened this week. “It’s pretty cool,” said Hutson, a 2022 second-round pick of the Montreal …