RENTON, Wash. — To the very end, Pete Carroll did things his way. As media, Seahawks staffers and a handful of players that included quarterback Geno Smith and linebacker Bobby Wagner waited for Carroll to take the podium at the team facility one last time Wednesday afternoon, music blared. Celebratory, happy tunes such as “I Love Music” by the O’Jays. And during a roughly 30-minute news conference in which he discussed the team’s decision to remove him as coach, Carroll tried — as he did throughout his time in Seattle — to accentuate the positive. “We weren’t anything, and then we were someth…