Newark & Sherwood are looking forward to a big local derby in the FA Cup first qualifying round – but their manager won’t be there to see it. Boss Romaine Graham says he’s “absolutely gutted” to be missing the Highwaymen’s trip to his old club Grantham on August 31. The tie is Newark’s reward for pulling off a 2-0 upset victory over AFC Rushden & Diamonds in Saturday’s preliminary round tie and will be the clubs’ first-ever competitive meeting. But Graham is on holiday in Jamaica, a trip that was booked before he took over as manager, leaving assistant Tristan Spencer in charge. “It’s a family…