* 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
self.hook = DataprocHook(
            connection_id=self.connection_id,
        )
        operation_result = self.hook.client.create_cluster(
            folder_id=self.folder_id,
            cluster_name=self.cluster_name,
            cluster_description=self.cluster_description,
            cluster_image_version=self.cluster_image_version,
            ssh_public_keys=self.ssh_public_keys,
            subnet_id=self.subnet_id,
            services=self.services,
            s3_bucket=self.s3_bucket,
            zone=self.zone,
            service_account_id=self.service_account_id,
            masternode_resource_preset=self.masternode_resource_preset,
            masternode_disk_size=self.masternode_disk_size,
            masternode_disk_type=self.masternode_disk_type,
            datanode_resource_preset=self.datanode_resource_preset,
            datanode_disk_size=self.datanode_disk_size,
            datanode_disk_type=self.datanode_disk_type,
            datanode_count=self.datanode_count,
            computenode_resource_preset=self.computenode_resource_preset,
            computenode_disk_size=self.computenode_disk_size,
            computenode_disk_type=self.computenode_disk_type,
            computenode_count=self.computenode_count,
        )
        context['task_instance'].xcom_push(key='cluster_id', value=operation_result.response.id)
        context['task_instance'].xcom_push(key='yandexcloud_connection_id', value=self.connection_id)
class DataprocDeleteClusterOperator(BaseOperator):