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
/**
	 * dateTimeFormat -- the date/time format The first constant is the name of
	 * dateTimeFormat choice. The followed constants are valid choice values of
	 * dateTimeFormat.
	 */
	public static final String CHOICE_DATETIME_FORMAT_TYPE = "dateTimeFormat"; 
	public static final String DATETIEM_FORMAT_TYPE_UNFORMATTED = "Unformatted"; 
	public static final String DATETIEM_FORMAT_TYPE_GENERAL_DATE = "General Date"; 
	public static final String DATETIEM_FORMAT_TYPE_LONG_DATE = "Long Date"; 
	public static final String DATETIEM_FORMAT_TYPE_MUDIUM_DATE = "Medium Date"; 
	public static final String DATETIEM_FORMAT_TYPE_SHORT_DATE = "Short Date"; 
	public static final String DATETIEM_FORMAT_TYPE_LONG_TIME = "Long Time"; 
	public static final String DATETIEM_FORMAT_TYPE_MEDIUM_TIME = "Medium Time"; 
	public static final String DATETIEM_FORMAT_TYPE_SHORT_TIME = "Short Time"; 
	public static final String DATETIEM_FORMAT_TYPE_CUSTOM = "Custom"; 
	/**
	 * stringFormat -- the string format The first constant is the name of
	 * stringFormat choice. The followed constants are valid choice values of
	 * stringFormat.
	 */
	public static final String CHOICE_STRING_FORMAT_TYPE = "stringFormat"; 
	public static final String STRING_FORMAT_TYPE_UNFORMATTED = "Unformatted"; 
	public static final String STRING_FORMAT_TYPE_UPPERCASE = ">"; 
	public static final String STRING_FORMAT_TYPE_LOWERCASE = "<"; 
	public static final String STRING_FORMAT_TYPE_CUSTOM = "Custom"; 
	public static final String STRING_FORMAT_TYPE_ZIP_CODE = "Zip Code"; 	
	public static final String STRING_FORMAT_TYPE_ZIP_CODE_4 = "Zip Code + 4"; 	
	public static final String STRING_FORMAT_TYPE_PHONE_NUMBER = "Phone Number"; 
	public static final String STRING_FORMAT_TYPE_SOCIAL_SECURITY_NUMBER = "Social Security Number";