What do you do with a coach who’s among the elite in the league, who has brought your franchise back from the depths of Salary Cap Hell in record time? If you’re the 49ers, you send him out of town on a rail. Combine this with John York’s impending budget cuts and the continuing embarrassment of playing in Candlestick Park, and the 49ers’ future is becoming clear: They’re in danger of becoming a league laughingstock. Bill Parcells is in the saddle in Dallas, and even the Bengals have a new stadium and a well-respected new coach. Watch out, Arizona Cardinals — the 49ers are on their way down to you.