By David McDonnell Kevin De Bruyne made his long-awaited return for Manchester City as the holders cruised into the fourth round. De Bruyne, out since August 11 after undergoing hamstring surgery, made his comeback after 149 days out and was treated to a standing ovation from City fans. The City playmaker underlined his enduring value to Pep Guardiola’s Treble winners by providing the assist for the fifth goal, converted by fellow sub-Jeremy Doku, who also returned from injury. “We are incredibly delighted he’s back because Kevin helps us to win games and there are few in the world [like him],…