Bug 114962 [Decorators] Remove DecoratorUpdateListener class from IDE plug-in
DecoratorUpdateListener class should be removed as it is just experimental in 3.2 (see org.eclipse.ui.ide plugin)
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/IDEWorkbenchAdvisor.java
/*******************************************************************************
 * Copyright (c) 2003, 2005 IBM Corporation and others.