Set DEBUG flag to false by default in ModelResources

Bug 574593: Thread safety issue in RAP AutoSuggest addon
https://bugs.eclipse.org/bugs/show_bug.cgi?id=574593
diff --git a/bundles/org.eclipse.rap.addons.autosuggest/src/org/eclipse/rap/addons/autosuggest/internal/resources/ModelResources.java b/bundles/org.eclipse.rap.addons.autosuggest/src/org/eclipse/rap/addons/autosuggest/internal/resources/ModelResources.java
index b755a22..8eaf803 100644
--- a/bundles/org.eclipse.rap.addons.autosuggest/src/org/eclipse/rap/addons/autosuggest/internal/resources/ModelResources.java
+++ b/bundles/org.eclipse.rap.addons.autosuggest/src/org/eclipse/rap/addons/autosuggest/internal/resources/ModelResources.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2013 EclipseSource and others.
+ * Copyright (c) 2013, 2021 EclipseSource and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -21,7 +21,7 @@
 
   public static final String SCRIPT = "rwt/remote/Model.js";
 
-  private static final boolean DEBUG = true;
+  private static final boolean DEBUG = false;
 
   public static void ensure() {
     ensureRegistered();