By Paul Lienert DETROIT (Reuters) – The road map to fully self-driving vehicles is being rewritten once again, this time by Ford Motor Co and Volkswagen AG. When the two automakers joined forces in July 2019 to share control of self-driving startup Argo AI, it shook up the landscape among other key players. Wednesday’s announcement that Pittsburgh-based Argo is being shuttered and some of its employees moving to Ford and VW underscores the growing realization that automated vehicles may be even further away from mass deployment than industry executives predicted back in 2019. “It’s become very…