Jon Jones is officially in the clear in his leaving the scene of an accident case ... prosecutors have dismissed all charges against the UFC superstar.
Court documents TMZ Sports has obtained show New Mexico officials dropped the matter after they found "reason to believe [Jones'] alibi defense is credible."
Jones, as you know, was hit with two charges -- one count of leaving the scene of an accident, and one count of use of telephone to terrify, intimidate, threaten, harass, annoy or offend -- after he allegedly bolted from the scene of a wreck on Feb.