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/elements/DesignChoiceConstants.java
public static final String LINE_STYLE_GROOVE = "groove"; 
	public static final String LINE_STYLE_RIDGE = "ridge"; 
	public static final String LINE_STYLE_INSET = "inset"; 
	public static final String LINE_STYLE_OUTSET = "outset"; 
	
	public static final String CHOICE_UNITS = "units"; 
	public static final String UNITS_IN = "in"; 
	public static final String UNITS_CM = "cm"; 
	public static final String UNITS_MM = "mm"; 
	public static final String UNITS_PT = "pt"; 
	public static final String UNITS_PC = "pc"; 
	public static final String UNITS_EM = "em"; 
	public static final String UNITS_EX = "ex"; 
	public static final String UNITS_PX = "px"; 
	public static final String UNITS_PERCENTAGE = "%"; 
	
	public static final String CHOICE_PARAM_TYPE = "paramType"; 
	public static final String PARAM_TYPE_STRING = "string"; 
	public static final String PARAM_TYPE_FLOAT = "float"; 
	public static final String PARAM_TYPE_DECIMAL = "decimal"; 
	public static final String PARAM_TYPE_DATETIME = "dateTime"; 
	public static final String PARAM_TYPE_BOOLEAN = "boolean"; 
	
	public static final String CHOICE_PARAM_VALUE_TYPE = "paramType"; 
	public static final String PARAM_VALUE_TYPE_STATIC = "static"; 
	public static final String PARAM_VALUE_TYPE_DYNAMIC = "dynamic"; 
	
	public static final String CHOICE_PARAM_CONTROL = "paramControl"; 
	public static final String PARAM_CONTROL_TEXT_BOX = "text-box"; 
	public static final String PARAM_CONTROL_LIST_BOX = "list-box";