def remove_labels(self, keys: list[str]) -> EngineJob:
        """Removes labels with given keys from the labels of a previously
        created quantum job.

        Params:
            label_keys: Label keys to remove from the existing job labels.

        Returns:
            This EngineJob.
        """
        self._job = self.context.client.remove_job_labels(
            self.project_id, self.program_id, self.job_id, keys
        )
        return self
Removes labels with given keys from the labels of a previously
        created quantum job.

        Params:
            label_keys: Label keys to remove from the existing job labels.

        Returns:
            This EngineJob.
        
cirq-google/cirq_google/engine/engine_job.py