PYTHON-3762 Remove global code owners

[ShaneHarvey]

https://jira.mongodb.org/browse/PYTHON-3762

[blink1073]

Thanks!

[ShaneHarvey]

Odd test failure:

=================================== FAILURES ===================================
_ TestAllScenarios.test_test_uri_options_tls-options_tlsInsecure_is_parsed_correctly _

args = (<test.test_uri_spec.TestAllScenarios testMethod=test_test_uri_options_tls-options_tlsInsecure_is_parsed_correctly>,)
kwargs = {}
original_workdir = '/home/runner/work/mongo-python-driver/mongo-python-driver/test/uri_options'

    def modified_test_scenario(*args, **kwargs):
        original_workdir = os.getcwd()
        os.chdir(target_workdir)
>       func(*args, **kwargs)

/home/runner/work/mongo-python-driver/mongo-python-driver/test/test_uri_spec.py:85: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
/home/runner/work/mongo-python-driver/mongo-python-driver/test/test_uri_spec.py:124: in run_scenario
    get_error_message_template(expected_warning, "warning") % test["description"],
E   AssertionError: True != False : Unexpected warning for test 'tlsInsecure is parsed correctly'
=============================== warnings summary ===============================
test/test_auth_spec.py::TestAuthSpec::test_connection-string_should_throw_an_exception_when_unsupported_auth_property_is_specified_(mongodb-oidc)
  /home/runner/work/mongo-python-driver/mongo-python-driver/pymongo/common.py:840: UserWarning: UnsupportedProperty is not a supported auth mechanism property. Must be one of ('SERVICE_NAME', 'SERVICE_REALM', 'CANONICALIZE_HOST_NAME', 'PROVIDER_NAME', 'AWS_SESSION_TOKEN').
    warnings.warn(str(exc))

test/test_client.py::TestClient::test_compression
  /home/runner/work/mongo-python-driver/mongo-python-driver/pymongo/compression_support.py:59: UserWarning: Unsupported compressor: foobar
    warnings.warn(f"Unsupported compressor: {compressor}")

test/test_client.py::TestClient::test_compression
  /home/runner/work/mongo-python-driver/mongo-python-driver/pymongo/common.py:840: UserWarning: zlibcompressionlevel must be between -1 and 9, not 10.
    warnings.warn(str(exc))

test/test_client.py::TestClient::test_compression
  /home/runner/work/mongo-python-driver/mongo-python-driver/pymongo/common.py:840: UserWarning: zlibcompressionlevel must be between -1 and 9, not -2.
    warnings.warn(str(exc))

test/test_client.py::TestClient::test_compression
  /home/runner/work/mongo-python-driver/mongo-python-driver/pymongo/compression_support.py:63: UserWarning: Wire protocol compression with snappy is not available. You must install the python-snappy module for snappy support.
    "Wire protocol compression with snappy is not available. "

test/test_client.py::TestClient::test_compression
  /home/runner/work/mongo-python-driver/mongo-python-driver/pymongo/compression_support.py:75: UserWarning: Wire protocol compression with zstandard is not available. You must install the zstandard module for zstandard support.
    "Wire protocol compression with zstandard is not available. "

test/test_client.py::TestClient::test_server_selection_timeout
  /home/runner/work/mongo-python-driver/mongo-python-driver/pymongo/common.py:840: UserWarning: serverselectiontimeoutms must be greater than 0 and less than one billion
    warnings.warn(str(exc))

test/test_client.py::TestClient::test_server_selection_timeout
  /home/runner/work/mongo-python-driver/mongo-python-driver/pymongo/common.py:840: UserWarning: serverselectiontimeoutms must be an integer or float
    warnings.warn(str(exc))

test/test_collection.py::TestCollection::test_cursor_timeout
test/test_cursor.py::TestCursor::test_add_remove_option
test/test_cursor.py::TestCursor::test_clone
test/test_monitoring.py::TestCommandMonitoring::test_find_options
  /home/runner/work/mongo-python-driver/mongo-python-driver/pymongo/collection.py:1661: UserWarning: use an explicit session with no_cursor_timeout=True otherwise the cursor may still timeout after 30 minutes, for more info see https://mongodb.com/docs/v4.4/reference/method/cursor.noCursorTimeout/#session-idle-timeout-overrides-nocursortimeout
    return Cursor(self, *args, **kwargs)

-- Docs: https://docs.pytest.org/en/stable/how-to/capture-warnings.html
=========================== short test summary info ============================