McDonald’s could return to a Kent town as bosses have earmarked a former leisure centre site for a new drive-thru. The burger giant left Dover seven years ago but says there is now a “long-standing need” for one of its venues in the area. It has submitted plans for a 118-seater restaurant on the vacant Dover Leisure Centre site on the corner of Townwall Street and Woolcomber Street. Part of the prime plot is currently used as a car park but McDonald’s chiefs say there will be no impact on the district’s overall parking provision if the scheme gets the green light. The project will include 55 s…