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
help='Role of the user. Existing roles include Admin, User, Op, Viewer, and Public',
    required=True,
    type=str,
)
ARG_EMAIL = Arg(('-e', '--email'), help='Email of the user', required=True, type=str)
ARG_EMAIL_OPTIONAL = Arg(('-e', '--email'), help='Email of the user', type=str)
ARG_PASSWORD = Arg(
    ('-p', '--password'),
    help='Password of the user, required to create a user without --use-random-password',
    type=str,
)
ARG_USE_RANDOM_PASSWORD = Arg(
    ('--use-random-password',),
    help='Do not prompt for password. Use random string instead.'
    ' Required to create a user without --password ',
    default=False,
    action='store_true',
)
ARG_USER_IMPORT = Arg(
    ("import",),
    metavar="FILEPATH",
    help="Import users from JSON file. Example format::\n"
    + textwrap.indent(
        textwrap.dedent(
            '''
            [
                {
                    "email": "foo@bar.org",
                    "firstname": "Jon",
                    "lastname": "Doe",