bump baggageclaim
bump baggageclaim

Submodule src/github.com/concourse/baggageclaim f44a340..f7e389a:
  > use os.RemoveAll instead of rm -r

concourse/concourse,cjcjameson/concourse,concourse/concourse,concourse/concourse,cjcjameson/concourse,concourse/concourse,cjcjameson/concourse,concourse/concourse