Update pt-BR.json
Update pt-BR.json

"Source" seems to be unused. There may be some other unused strings.

"Reward" should be "Job Income", according to the in-game advisor.
mkoch227/ets2-mobile-route-advisor,denilsonsa/ets2-mobile-route-advisor,denilsonsa/ets2-mobile-route-advisor,mkoch227/ets2-mobile-route-advisor,Koenvh1/ets2-mobile-route-advisor,Koenvh1/ets2-mobile-route-advisor