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
ARG_EXECUTION_DATE,
            ARG_SUBDIR,
            ARG_DRY_RUN,
            ARG_TASK_PARAMS,
            ARG_POST_MORTEM,
            ARG_ENV_VARS,
        ),
    ),
    ActionCommand(
        name='states-for-dag-run',
        help="Get the status of all task instances in a dag run",
        func=lazy_load_command('airflow.cli.commands.task_command.task_states_for_dag_run'),
        args=(ARG_DAG_ID, ARG_EXECUTION_DATE, ARG_OUTPUT, ARG_VERBOSE),
    ),
)
POOLS_COMMANDS = (
    ActionCommand(
        name='list',
        help='List pools',
        func=lazy_load_command('airflow.cli.commands.pool_command.pool_list'),
        args=(ARG_OUTPUT, ARG_VERBOSE),
    ),
    ActionCommand(
        name='get',
        help='Get pool size',
        func=lazy_load_command('airflow.cli.commands.pool_command.pool_get'),
        args=(ARG_POOL_NAME, ARG_OUTPUT, ARG_VERBOSE),
    ),
    ActionCommand(
        name='set',