By Andrew Gould Most coaches lack the job security to comfortably plant their roots for the long haul. While Matt Nagy’s four-year tenure with the Bears ended unceremoniously, he at least lived in luxury. As noted by Brendan Sugrue of Bears Wire, Nagy put his Lake Bluff, Illinois, home on the market. The home was “temporarily off market” as of Sunday afternoon, so it might be too late for anyone hoping to buy the six-bedroom, six-bathroom mansion for the modest $6,199,000 list price. Before it got taken down, Sugrue documented some of the house’s finer seller points. Nagy, who took the Bears’ …