(This story was refiled to remove picture) By Nick Carey GAYDON, England (Reuters) – Aston Martin on Wednesday launched the final fossil-fuel version of its limited-run powerful V12 Vantage sports car, with every vehicle already snapped up before the British luxury carmaker starts its gradual shift to an electric lineup. “This V12 Vantage is really a swan song,” Aston Martin executive chairman and investor Lawrence Stroll told Reuters. “There is a history of V12 Vantages at this company that goes back several decades and it will be the last one we make… before we move onto hyrbidisation and …