code: def clean_vendor(name):
      
      this_dir = path.dirname(path.abspath(__file__))
      vendor_dest = path.join(this_dir, 'ceph_deploy/lib/vendor/%s' % name)
      run(['rm', '-rf', vendor_dest])
docs: Ensure that vendored code/dirs are removed, possibly when packaging when
      the environment flag is set to avoid vendoring.