remove deprecated python_venv alias

pre_commit/all_languages.py

@@ -44,7 +44,5 @@
     'script': script,
     'swift': swift,
     'system': system,
-    # TODO: fully deprecate `python_venv`
-    'python_venv': python,
 }
 language_names = sorted(languages)

pre_commit/repository.py

@@ -3,7 +3,6 @@
 import json
 import logging
 import os
-import shlex
 from collections.abc import Sequence
 from typing import Any
 
@@ -68,14 +67,6 @@ def _hook_install(hook: Hook) -> None:
     logger.info('Once installed this environment will be reused.')
     logger.info('This may take a few minutes...')
 
-    if hook.language == 'python_venv':
-        logger.warning(
-            f'`repo: {hook.src}` uses deprecated `language: python_venv`.  '
-            f'This is an alias for `language: python`.  '
-            f'Often `pre-commit autoupdate --repo {shlex.quote(hook.src)}` '
-            f'will fix this.',
-        )
-
     lang = languages[hook.language]
     assert lang.ENVIRONMENT_DIR is not None
 

tests/repository_test.py

@@ -80,24 +80,6 @@ def _test_hook_repo(
     assert out == expected
 
 
-def test_python_venv_deprecation(store, caplog):
-    config = {
-        'repo': 'local',
-        'hooks': [{
-            'id': 'example',
-            'name': 'example',
-            'language': 'python_venv',
-            'entry': 'echo hi',
-        }],
-    }
-    _get_hook(config, store, 'example')
-    assert caplog.messages[-1] == (
-        '`repo: local` uses deprecated `language: python_venv`.  '
-        'This is an alias for `language: python`.  '
-        'Often `pre-commit autoupdate --repo local` will fix this.'
-    )
-
-
 def test_system_hook_with_spaces(tempdir_factory, store):
     _test_hook_repo(
         tempdir_factory, store, 'system_hook_with_spaces_repo',