deprecate python_venv language

testing/resources/python_venv_hooks_repo/.pre-commit-hooks.yaml

@@ -1,5 +0,0 @@
--   id: foo
-    name: Foo
-    entry: foo
-    language: python_venv
-    files: \.py$

testing/resources/python_venv_hooks_repo/foo.py

@@ -1,9 +0,0 @@
-from __future__ import annotations
-
-import sys
-
-
-def main():
-    print(repr(sys.argv[1:]))
-    print('Hello World')
-    return 0

testing/resources/python_venv_hooks_repo/setup.py

@@ -1,10 +0,0 @@
-from __future__ import annotations
-
-from setuptools import setup
-
-setup(
-    name='foo',
-    version='0.0.0',
-    py_modules=['foo'],
-    entry_points={'console_scripts': ['foo = foo:main']},
-)