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/elements/interfaces/IReportDesignModel.java
public static final String CHEAT_SHEET_PROP = "cheatSheet"; 
	
	
	/**
	 * Identifier of the slot that holds styles.
	 */
	
	public static final int STYLE_SLOT = 0;
	
	/**
	 * Identifier of the body slot that contains the report sections.
	 */
	public static final int BODY_SLOT = 6;
	/**
	 * Identifier of the scratch pad slot.
	 */
	public static final int SCRATCH_PAD_SLOT = 7;
	
	/**
	 * Identifier of the template parameter definition slot.
	 */
	
	public static final int TEMPLATE_PARAMETER_DEFINITION_SLOT = 8;
	/**
	 * Number of slots in the report design element.
	 */
	public static final int SLOT_COUNT = 9;
}