The people behind a documentary about the 1985 Chicago Bears did not violate copyright law by putting snippets of the “Super Bowl Shuffle” song and music video in the film, a federal judge held.In a written opinion last week, U.S. District Judge Virginia M. Kendall granted summary judgment in favor of the author, producers and distributors of “’85: The Greatest Team in Football History” in a lawsuit filed under the federal Copyright Act.The production company Chila Productions was founded by …