Clean up MANIFEST.in

Added in version v69.0.0: setuptools will attempt to include type
information files by default in the distribution (.pyi and py.typed,
as specified in PEP 561), as long as they are contained inside of
a package directory (for the time being there is no automatic
support for top-level .pyi files).

https://setuptools.pypa.io/en/latest/userguide/miscellaneous.html

Author: DimitriPapadopoulos

MANIFEST.in

@@ -11,7 +11,6 @@ recursive-include distributed *.yaml
 recursive-include docs *.rst
 recursive-exclude distributed **/tests/*
 
-include distributed/py.typed
 exclude distributed/pytest_resourceleaks.py
 
 prune docs/_build