Update ServletIntegrationUI to use Valo

Change-Id: Ib3d633a215dc4c9655612110ff23afa782d7a381

uitest/src/main/java/com/vaadin/tests/integration/ServletIntegrationUI.java

@@ -1,7 +1,6 @@
 package com.vaadin.tests.integration;
 
 import com.vaadin.annotations.DesignRoot;
-import com.vaadin.annotations.Theme;
 import com.vaadin.server.ClassResource;
 import com.vaadin.server.Resource;
 import com.vaadin.server.VaadinRequest;
@@ -14,7 +13,6 @@ import com.vaadin.v7.data.Property.ValueChangeEvent;
 import com.vaadin.v7.data.Property.ValueChangeListener;
 import com.vaadin.v7.ui.Table;
 
-@Theme("reindeer")
 public class ServletIntegrationUI extends UI {
 
     @Override