Brazil no longer has DST changes - decreet signed today

https://g1.globo.com/politica/noticia/2019/04/25/bolsonaro-assina-decreto-que-acaba-com-o-horario-de-verao.ghtml 

https://economia.ig.com.br/2019-04-25/bolsonaro-assina-nesta-quinta-feira-decreto-que-poe-fim-ao-horario-de-verao.html  

Can you please update the southamerica timezone file?