largefile: use `update_file` instead of `normal` in `synclfdirstate`
This is the newer, more semantic API.
This was the last call to `normal` in largefile.
Differential Revision: https://phab.mercurial-scm.org/D11158
largefile: use `set_clean` instead of `normal` in `repo.status`
This is the newer, more semantic API.
Differential Revision: https://phab.mercurial-scm.org/D11157