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
"Connections can be imported from the output of the export command.\n"
            "The filetype must by json, yaml or env and will be automatically inferred."
        ),
        func=lazy_load_command('airflow.cli.commands.connection_command.connections_import'),
        args=(ARG_CONN_IMPORT,),
    ),
)
PROVIDERS_COMMANDS = (
    ActionCommand(
        name='list',
        help='List installed providers',
        func=lazy_load_command('airflow.cli.commands.provider_command.providers_list'),
        args=(ARG_OUTPUT, ARG_VERBOSE),
    ),
    ActionCommand(
        name='get',
        help='Get detailed information about a provider',
        func=lazy_load_command('airflow.cli.commands.provider_command.provider_get'),
        args=(ARG_OUTPUT, ARG_VERBOSE, ARG_FULL, ARG_COLOR, ARG_PROVIDER_NAME),
    ),
    ActionCommand(
        name='links',
        help='List extra links registered by the providers',
        func=lazy_load_command('airflow.cli.commands.provider_command.extra_links_list'),
        args=(ARG_OUTPUT, ARG_VERBOSE),
    ),
    ActionCommand(
        name='widgets',
        help='Get information about registered connection form widgets',
        func=lazy_load_command('airflow.cli.commands.provider_command.connection_form_widget_list'),