pr-pull: don't pass dry_run everywhere
pr-pull: don't pass dry_run everywhere

reitermarkus/brew,konqui/brew,JCount/brew,claui/brew,Homebrew/brew,reitermarkus/brew,MikeMcQuaid/brew,claui/brew,sjackman/homebrew,vitorgalvao/brew,sjackman/homebrew,JCount/brew,vitorgalvao/brew,nandub/brew,MikeMcQuaid/brew,MikeMcQuaid/brew,claui/brew,nandub/brew,MikeMcQuaid/brew,mahori/brew,sjackman/homebrew,EricFromCanada/brew,EricFromCanada/brew,Homebrew/brew,mahori/brew,claui/brew,mahori/brew,reitermarkus/brew,vitorgalvao/brew,konqui/brew,reitermarkus/brew,Homebrew/brew,vitorgalvao/brew,konqui/brew,konqui/brew,EricFromCanada/brew,nandub/brew,sjackman/homebrew,mahori/brew,EricFromCanada/brew,nandub/brew,Homebrew/brew,JCount/brew,JCount/brew