remove flake8 setuptools command

Author: asottile

docs/source/internal/start-to-finish.rst

@@ -47,21 +47,6 @@ both cases, however, you end up in :func:`flake8.main.cli.main`. This is the
 primary way that users will end up starting Flake8. This function creates an
 instance of |Application|.
 
-via Setuptools
---------------
-
-If you're invoking |Flake8| from your ``setup.py`` then you actually end up in
-:meth:`flake8.main.setuptools_command.Flake8.run`. This then collects the
-files that are included in the package information and creates an instance of
-|Application|.
-
-via Git or Mercurial
---------------------
-
-In both cases, they call their respective ``hook`` functions which create
-instances of |Application|.
-
-
 Application Logic
 =================
 

docs/source/user/index.rst

@@ -8,8 +8,6 @@
 
 - invoked via Python
 
-- called by Git or Mercurial on or around committing
-
 This guide will cover all of these and the nuances for using |Flake8|.
 
 .. note::

setup.cfg

@@ -56,8 +56,6 @@ python_requires = >=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*
 where = src
 
 [options.entry_points]
-distutils.commands=
-    flake8 = flake8.main.setuptools_command:Flake8
 console_scripts =
     flake8 = flake8.main.cli:main
 flake8.extension =