refactoring

@@ -112,10 +112,6 @@ public class LwM2mSessionMsgListener implements GenericFutureListener<Future<? s
     @Override
     public void onDeviceDeleted(DeviceId deviceId) {
         log.trace("[{}] Device on delete", deviceId);
-        try{
-            this.handler.onDeviceDelete(deviceId);
-        } catch (Exception e) {
-            log.error("", e);
-        }
+        this.handler.onDeviceDelete(deviceId);
     }
 }

@@ -160,7 +160,8 @@ public class DefaultLwM2MUplinkMsgHandler extends LwM2MExecutorAwareService impl
                                         LwM2mTransportContext context,
                                         TbLwM2MDtlsSessionStore sessionStore,
                                         LwM2mVersionedModelProvider modelProvider,
-                                        RegistrationStore registrationStore, TbLwM2mSecurityStore securityStore) {
+                                        RegistrationStore registrationStore,
+                                        TbLwM2mSecurityStore securityStore) {
         this.transportService = transportService;
         this.sessionManager = sessionManager;
         this.attributesService = attributesService;