fix review

Author: HTHou

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/DataRegion.java

@@ -3014,7 +3014,7 @@ private void deleteObjectFiles(List<File> matchedObjectDirs, List<TableDeletionE
                           StandardCharsets.UTF_8);
               String fileName = path.getFileName().toString();
               long timestamp = Long.parseLong(fileName.substring(0, fileName.indexOf('.')));
-              logger.info(
+              logger.debug(
                   "timestamp {}, measurementId {}, ideviceId {}",
                   timestamp,
                   measurementId,