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
)
DB_COMMANDS = (
    ActionCommand(
        name='init',
        help="Initialize the metadata database",
        func=lazy_load_command('airflow.cli.commands.db_command.initdb'),
        args=(),
    ),
    ActionCommand(
        name="check-migrations",
        help="Check if migration have finished",
        description="Check if migration have finished (or continually check until timeout)",
        func=lazy_load_command('airflow.cli.commands.db_command.check_migrations'),
        args=(ARG_MIGRATION_TIMEOUT,),
    ),
    ActionCommand(
        name='reset',
        help="Burn down and rebuild the metadata database",
        func=lazy_load_command('airflow.cli.commands.db_command.resetdb'),
        args=(ARG_YES,),
    ),
    ActionCommand(
        name='upgrade',
        help="Upgrade the metadata database to latest version",
        func=lazy_load_command('airflow.cli.commands.db_command.upgradedb'),
        args=(),
    ),
    ActionCommand(
        name='shell',
        help="Runs a shell to access the database",