Hello,

Our Helm Chart uses the command that is deleted in Airflow 2.0. We should consider what we want to do with it - add this command again or delete the reference to this command in the Helm Chart.
https://github.com/apache/airflow/blob/d41c6a46b176a80e1cdb0bcc592f5a8baec21c41/chart/templates/scheduler/scheduler-deployment.yaml#L177-L197
Related PR: 
https://github.com/apache/airflow/pull/6843

Best regards,
Kamil Breguła
CC: @dstandish 
airflow/cli/cli_parser.py
cmd = command._asdict()
    cmd['args'] = (arg for arg in command.args if arg is not ARG_DAG_ID)
    return ActionCommand(**cmd)
dag_cli_commands: List[CLICommand] = [
    GroupCommand(
        name='dags',
        help='Manage DAGs',
        subcommands=[
            _remove_dag_id_opt(sp)
            for sp in DAGS_COMMANDS
            if sp.name in ['backfill', 'list-runs', 'pause', 'unpause']
        ],
    ),
    GroupCommand(
        name='tasks',
        help='Manage tasks',
        subcommands=[_remove_dag_id_opt(sp) for sp in TASKS_COMMANDS if sp.name in ['list', 'test', 'run']],
    ),
]
DAG_CLI_DICT: Dict[str, CLICommand] = {sp.name: sp for sp in dag_cli_commands}
class AirflowHelpFormatter(argparse.HelpFormatter):
    """
    Custom help formatter to display help message.
    It displays simple commands and groups of commands in separate sections.