Nico Rosberg believes Michael Schumacher ‘would not regret’ making a comeback to Formula 1 with Mercedes but the 2016 champion has ruled out a return to the series. The Silver Arrows brought a legend out of retirement after they took over Brawn GP in 2010 by signing Schumacher. He and Rosberg shared a garage for three seasons after Mercedes decided to return to Formula 1 as a constructor. Mercedes had not been a team since 1955. It, ultimately, was not the comeback Schumacher nor Mercedes wanted as the Silver Arrows struggled for form. But the seven-time F1 champion delivered a reminder of his…