Update src/flight_service/do_get.rs

Co-authored-by: Gabriel <[email protected]>

Author: jayshrivastava

src/flight_service/do_get.rs

@@ -212,7 +212,7 @@ fn flight_stream_from_record_batch_stream(
 
 // Collects metrics from the provided stage and encodes it into a stream of flight data using
 // the schema of the stage.
-pub fn collect_and_create_metrics_flight_data(
+fn collect_and_create_metrics_flight_data(
     stage_key: StageKey,
     stage: Arc<StageExec>,
 ) -> Result<impl Stream<Item = Result<FlightData, FlightError>> + Send + 'static, FlightError> {