Bug 136279 Structure and table datatypes should be hidden.
Description: Structure and table datatype should be hidden. Steps to reproduce: In table data binding, I saw structure and table two datatypes. They are not supported now, so they should be removed.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ReportDesignHandle.java
*             if the property is locked or not defined on this design.
	 */
	public void setCheatSheet( String cheatSheet ) throws SemanticException
	{
		setStringProperty( ReportDesign.CHEAT_SHEET_PROP, cheatSheet );
	}
	/**
	 * Gets the design cheat sheet file path.
	 * 
	 * @return the design cheat sheet file path
	 * 
	 * @deprecated by {@link #getCheatSheet()}
	 */
	public String getCheetSheet( )
	{
		return getCheatSheet( );
	}
	/**
	 * Gets the design cheat sheet file path.
	 * 
	 * @return the design cheat sheet file path
	 */
	public String getCheatSheet( )
	{
		return getStringProperty( ReportDesign.CHEAT_SHEET_PROP );
	}
	/**
	 * Gets all bookmarks defined in this module.
	 * 
	 * @return All bookmarks defined in this module.