SEATTLE — To Washington’s next head football coach: You’ve got work to do. Which, if you’ve scanned social media, should not come as a surprise. Hours ago, former Husky head coach Kalen DeBoer stuffed two years of goodwill into the overhead bin on a one-way flight to Alabama. He went 25-3 in two nearly incomparable campaigns — winning 21 straight games, a College Football Playoff semifinal and a Pac-12 title in a dizzying UW ascent. He instilled trust in a team that had been drilled with disappointment, following the resignation of Chris Petersen and suspension-turned-firing of Jimmy Lake. He …