remove vcs integration

tests/unit/test_git.py

@@ -1,29 +0,0 @@
-"""Tests around functionality in the git integration."""
-import mock
-import pytest
-
-from flake8.main import git
-
-
-@pytest.mark.parametrize('lazy', [True, False])
-def test_find_modified_files(lazy):
-    """Confirm our logic for listing modified files."""
-    if lazy:
-        # Here --cached is missing
-        call = [
-            'git', 'diff-index', '--name-only', '--diff-filter=ACMRTUXB',
-            'HEAD'
-        ]
-    else:
-        call = [
-            'git', 'diff-index', '--cached', '--name-only',
-            '--diff-filter=ACMRTUXB', 'HEAD'
-        ]
-    mocked_popen = mock.Mock()
-    mocked_popen.communicate.return_value = ('', '')
-
-    with mock.patch('flake8.main.git.piped_process') as piped_process:
-        piped_process.return_value = mocked_popen
-        git.find_modified_files(lazy)
-
-    piped_process.assert_called_once_with(call)