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
type=positive_int(allow_zero=True),
    help="The number of recent jobs that will be checked. To disable limit, set 0. ",
)
ARG_ALLOW_MULTIPLE = Arg(
    ("--allow-multiple",),
    action='store_true',
    help="If passed, this command will be successful even if multiple matching alive jobs are found.",
)
# sync-perm
ARG_INCLUDE_DAGS = Arg(
    ("--include-dags",), help="If passed, DAG specific permissions will also be synced.", action="store_true"
)
ALTERNATIVE_CONN_SPECS_ARGS = [
    ARG_CONN_TYPE,
    ARG_CONN_DESCRIPTION,
    ARG_CONN_HOST,
    ARG_CONN_LOGIN,
    ARG_CONN_PASSWORD,
    ARG_CONN_SCHEMA,
    ARG_CONN_PORT,
]
class ActionCommand(NamedTuple):
    """Single CLI command"""
    name: str
    help: str
    func: Callable
    args: Iterable[Arg]
    description: Optional[str] = None
    epilog: Optional[str] = None
class GroupCommand(NamedTuple):