* and stop setting default values in python operator code, so defaults can be set at the server side.

This issue is just for the PR and questions from maintainers. 
airflow/providers/yandex/operators/yandexcloud_dataproc.py
"""Runs Hive job in Data Proc cluster.
    :param query: Hive query.
    :type query: Optional[str]
    :param query_file_uri: URI of the script that contains Hive queries. Can be placed in HDFS or S3.
    :type query_file_uri: Optional[str]
    :param properties: A mapping of property names to values, used to configure Hive.
    :type properties: Optional[Dist[str, str]]
    :param script_variables: Mapping of query variable names to values.
    :type script_variables: Optional[Dist[str, str]]
    :param continue_on_failure: Whether to continue executing queries if a query fails.
    :type continue_on_failure: bool
    :param name: Name of the job. Used for labeling.
    :type name: str
    :param cluster_id: ID of the cluster to run job in.
                       Will try to take the ID from Dataproc Hook object if ot specified. (templated)
    :type cluster_id: Optional[str]
    :param connection_id: ID of the Yandex.Cloud Airflow connection.
    :type connection_id: Optional[str]
    """
    template_fields = ['cluster_id']
    def __init__(