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.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/adapter/ModelDteApiAdapter.java
/**
	 * 
	 * @param source
	 * @param dest
	 */
	void adaptBaseDataSource( DataSourceHandle source, BaseDataSourceDesign dest )
	{
		dest.setBeforeOpenScript( source.getBeforeOpen( ) );
		dest.setAfterOpenScript( source.getAfterOpen( ) );
		dest.setBeforeCloseScript( source.getBeforeClose( ) );
		dest.setAfterCloseScript( source.getAfterClose( ) );
	}
	IOdaDataSetDesign newOdaDataSet( OdaDataSetHandle modelDataSet,
			ExecutionContext context ) throws BirtException
	{
		OdaDataSetDesign dteDataSet = new OdaDataSetDesign( modelDataSet
				.getQualifiedName( ) );
		IBaseDataSetEventHandler eventHandler = new DataSetScriptExecutor(
				modelDataSet, context );
		dteDataSet.setEventHandler( eventHandler );
		
		adaptBaseDataSet( modelDataSet, dteDataSet );
		
		
		
		String queryTextBinding = modelDataSet
				.getPropertyBinding( OdaDataSet.QUERY_TEXT_PROP );
		if ( needPropertyBinding( ) && queryTextBinding != null
				&& queryTextBinding.length( ) > 0 )
		{