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.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/wizards/WizardTemplateChoicePage.java
{
	private static final String MESSAGE_DESCRIPTION = Messages.getString( "WizardTemplateChoicePage.label.Description" ); 
	private static final String MESSAGE_PREVIEW = Messages.getString( "WizardTemplateChoicePage.label.Preview" ); 
	private static final String MESSAGE_REPORT_TEMPLATES = Messages.getString( "WizardTemplateChoicePage.label.ReportTemplates" ); 
	private static final String MESSAGE_SHOW_CHEATSHEET = Messages.getString( "WizardTemplateChoicePage.label.ShowCheatSheets" ); 
	
	
	private static final String TITLE_SIDE_BY_SIDE_CHART_LISTING = Messages.getString( "WizardTemplateChoicePage.title.SideBySideChartListing" ); 
	private static final String TITLE_CHART_LISTING = Messages.getString( "WizardTemplateChoicePage.title.ChartListing" ); 
	private static final String TITLE_GROUPED_LISTING = Messages.getString( "WizardTemplateChoicePage.title.GroupedListing" ); 
	private static final String TITLE_SIMPLE_LISTING = Messages.getString( "WizardTemplateChoicePage.title.SimpleListing" ); 
	private static final String TITLE_BLANK_REPORT = Messages.getString( "WizardTemplateChoicePage.title.BlankReport" ); 
	private static final String TITLE_DUAL_COLUMN_CHART_LISTING = Messages.getString( "WizardTemplateChoicePage.title.DualColumnChartListing" ); 
	private static final String TITLE_DUAL_COLUMN_LISTING = Messages.getString( "WizardTemplateChoicePage.title.DualColumnListing" ); 
	private static final String TITLE_FIRST_REPORT = Messages.getString( "WizardTemplateChoicePage.title.FirstReport" ); 
	
	
	private static final String DESCRIPTION_SIDE_BY_SIDE_CHART_LISTING = Messages.getString( "WizardTemplateChoicePage.message.SideBySideChartListing" ); 
	private static final String DESCRIPTION_CHART_LISTING = Messages.getString( "WizardTemplateChoicePage.message.ChartListing" ); 
	private static final String DESCRIPTION_GROUPED_LISTING = Messages.getString( "WizardTemplateChoicePage.message.GroupedListing" ); 
	private static final String DESCRIPTION_SIMPLE_LISTING = Messages.getString( "WizardTemplateChoicePage.message.SimpleListing" ); 
	private static final String DESCRIPTION_BLANK_REPORT = Messages.getString( "WizardTemplateChoicePage.message.BlankReport" ); 
	private static final String DESCRIPTION_DUAL_COLUMN_CHART_LISTING = Messages.getString( "WizardTemplateChoicePage.message.DualColumnChartListing" ); 
	private static final String DESCRIPTION_DUAL_COLUMN_LISTING = Messages.getString( "WizardTemplateChoicePage.message.DualColumnListing" ); 
	private static final String DESCRIPTION_FIRST_REPORT = Messages.getString( "WizardTemplateChoicePage.message.FirstReport" ); 
	private List templateList;
	private ImageCanvas previewCanvas;
	private Button chkBox;
	private Label description;
	public class Template