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
name='delete',
        help='Delete a connection',
        func=lazy_load_command('airflow.cli.commands.connection_command.connections_delete'),
        args=(ARG_CONN_ID, ARG_COLOR),
    ),
    ActionCommand(
        name='export',
        help='Export all connections',
        description=(
            "All connections can be exported in STDOUT using the following command:\n"
            "airflow connections export -\n"
            "The file format can be determined by the provided file extension. eg, The following "
            "command will export the connections in JSON format:\n"
            "airflow connections export /tmp/connections.json\n"
            "The --format parameter can be used to mention the connections format. eg, "
            "the default format is JSON in STDOUT mode, which can be overridden using: \n"
            "airflow connections export - --format yaml\n"
            "The --format parameter can also be used for the files, for example:\n"
            "airflow connections export /tmp/connections --format json\n"
        ),
        func=lazy_load_command('airflow.cli.commands.connection_command.connections_export'),
        args=(
            ARG_CONN_EXPORT,
            ARG_CONN_EXPORT_FORMAT,
        ),
    ),
    ActionCommand(
        name='import',
        help='Import connections from a file',
        description=(