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
{
		public static final int BLANK_REPORT = 0;
		public static final int SIMPLE_LISTING = 1;
		public static final int GROUPED_LISTING = 2;
		public static final int CHART_LISTING = 3;
		public static final int CROSSTAB = 4;
		public static final int MAILING_LABELS = 5;
		public static final int FREE_FORMAT = 6;
		public static final int GROUPED_LISTING_HEADING_OUTSIDE = 7;
		public static final int DUALCHART_LISTING = 8;
		public static final int LETTER = 9;
		public static final int SIDEBYSIDE_CHART_LISTING = 10;
		public static final int DUAL_COLUMN_CHART_LISTING = 11;