Update ServingController.java

Author: eitansela

deep_java_library_bring_your_own_container_serving_local_mode/container/src/main/java/com/example/sagemaker/djl/serving/ServingController.java

@@ -32,7 +32,6 @@
 public class ServingController {
 
  private ZooModel model = null;
-
  private Logger logger = LoggerFactory.getLogger(ServingController.class);
 
  @GetMapping(value = "/ping", produces = "application/json")