jme3-examples: ignore return values from AnimMigrationUtils.migrate() (#1635)

jme3-examples/src/main/java/jme3test/animation/TestJaime.java

@@ -101,7 +101,7 @@ public class TestJaime  extends SimpleApplication {
     
     public Node LoadModel() {
         Node jaime = (Node)assetManager.loadModel("Models/Jaime/Jaime.j3o");
-        jaime = (Node) AnimMigrationUtils.migrate(jaime);
+        AnimMigrationUtils.migrate(jaime);
         jaime.setShadowMode(RenderQueue.ShadowMode.CastAndReceive);
         rootNode.attachChild(jaime);
         return jaime;

jme3-examples/src/main/java/jme3test/model/anim/TestAttachmentsNode.java

@@ -82,7 +82,7 @@ public class TestAttachmentsNode extends SimpleApplication
          * from the old animation system to the new one.
          */
         Spatial model = assetManager.loadModel("Models/Jaime/Jaime.j3o");
-        model = AnimMigrationUtils.migrate(model);
+        AnimMigrationUtils.migrate(model);
         /*
          * Play the "Idle" animation at half speed.
          */