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_SECTION = Arg(
    ("section",),
    help="The section name",
)
ARG_OPTION = Arg(
    ("option",),
    help="The option name",
)
# kubernetes cleanup-pods
ARG_NAMESPACE = Arg(
    ("--namespace",),
    default=conf.get('kubernetes', 'namespace'),
    help="Kubernetes Namespace. Default value is `[kubernetes] namespace` in configuration.",
)
# jobs check
ARG_JOB_TYPE_FILTER = Arg(
    ('--job-type',),
    choices=('BackfillJob', 'LocalTaskJob', 'SchedulerJob'),
    action='store',
    help='The type of job(s) that will be checked.',
)
ARG_JOB_HOSTNAME_FILTER = Arg(
    ("--hostname",),
    default=None,
    type=str,
    help="The hostname of job(s) that will be checked.",
)
ARG_JOB_LIMIT = Arg(
    ("--limit",),
    default=1,