By Dan Marsh Erling Haaland admitted he’s relieved to be back in action for Manchester City but played down their hopes of repeating last year’s iconic treble. The Norwegian striker, 23, has been sidelined since early December with a foot injury and bagged his first goals since returning to fitness in City’s 2-0 win over Everton at the Etihad on Saturday afternoon. Haaland was a vital part of the team which won the Premier League, the FA Cup and the Champions League last year and Pep Guardiola’s side have now chalked up 10 successive victories in all competitions after overcoming the Toffees. …