ATLANTA — Until last year, the vast majority of people who visited Georgia driver’s license offices automatically registered to vote at the same time. Not anymore. Voter registrations submitted through the Georgia Department of Driver Services have plummeted since January 2021, according to government records obtained by The Atlanta Journal-Constitution. The sharp decrease indicates that automatic voter registration is no longer working as it had in the past. Half as many drivers opted to register at driver’s license offices last year compared with 2020, a drop from 79% to 39%. The decline coi…