py3: stop using util.iterfile() The Python 3 implementation is a no-op. So this is equivalent. We still keep util.iterfile() around for backwards API compatibility to help the Python 3 migration. It can be deleted in a future release. Differential Revision: https://phab.mercurial-scm.org/D12347

edition = "2018"
max_width = 79
wrap_comments = true
error_on_line_overflow = true