Bug 188027 PasteAction is diabled
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/Module.java
* 
	 * @param listener
	 *            the dispose listener to remove
	 * @return <code>true</code> if <code>listener</code> is successfully
	 *         removed. Otherwise <code>false</code>.
	 * 
	 */
	public boolean removeDisposeListener( IDisposeListener listener )
	{
		if ( disposeListeners == null )
			return false;
		return disposeListeners.remove( listener );
	}
	/**
	 * Removes one resource change listener. If the listener not registered,
	 * then the request is silently ignored.
	 * 
	 * @param listener
	 *            the resource change listener to remove
	 * @return <code>true</code> if <code>listener</code> is successfully
	 *         removed. Otherwise <code>false</code>.
	 * 
	 */
	public boolean removeResourceChangeListener(
			IResourceChangeListener listener )
	{
		if ( resourceChangeListeners == null )
			return false;
		return resourceChangeListeners.remove( listener );
	}