D2068: revlog: do not use delta for lfs revisions

[quark (Jun Wu)]

quark added inline comments.

INLINE COMMENTS

> ryanmce wrote in revlog.py:2110
> Then why is this `REVIDX_KNOWN_FLAGS` and not `REVIDX_RAWTEXT_CHANGING_FLAGS`?
> 
> Given the number of questions here from me and others, I think the comment could use extension at least so future readers understand why this is the way it is.

Should be `REVIDX_RAWTEXT_CHANGING_FLAGS`. I'll make the change.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D2068

To: quark, indygreg, #hg-reviewers, ryanmce
Cc: mercurial-devel