dirstate-guard: remove usage in `rebase`
Now that the dirstate change and write are clearer, it does not seems we need to
use a dirstate-guard here anymore. The transaction already wrap the full
operation.
[build-system]
requires = ["setuptools", "wheel"]
[tool.black]
line-length = 80
exclude = '''
build/
| wheelhouse/
| dist/
| packages/
| \.hg/
| \.mypy_cache/
| \.venv/
| mercurial/thirdparty/
'''
skip-string-normalization = true
quiet = true