remove duplicate line and extraneous punctuation
remove duplicate line and extraneous punctuation

mozilla/socorro-infra,mozilla/socorro-infra,rhelmer/socorro-infra,rhelmer/socorro-infra,phrawzty/socorro-infra,rhelmer/socorro-infra,peterbe/socorro-infra,peterbe/socorro-infra,phrawzty/socorro-infra,phrawzty/socorro-infra,mozilla/socorro-infra,peterbe/socorro-infra