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/parser/StructureState.java
return;
			}
		}
		if ( struct == null )
		{
			assert propDefn != null;
			
			
			struct = createStructure( (StructureDefn) propDefn.getStructDefn( ) );
		}
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.model.util.AbstractParseState#startElement(java.lang.String)
	 */
	public AbstractParseState startElement( String tagName )
	{
		if ( tagName.equalsIgnoreCase( DesignSchemaConstants.PROPERTY_TAG ) )
			return new PropertyState( handler, element, propDefn, struct );
		if ( tagName
				.equalsIgnoreCase( DesignSchemaConstants.ENCRYPTED_PROPERTY_TAG ) )
			return new EncryptedPropertyState( handler, element, propDefn,
					struct );
		if ( tagName.equalsIgnoreCase( DesignSchemaConstants.EXPRESSION_TAG ) )
			return new ExpressionState( handler, element, propDefn, struct );
		if ( tagName.equalsIgnoreCase( DesignSchemaConstants.XML_PROPERTY_TAG ) )
			return new XmlPropertyState( handler, element, propDefn, struct );
		if ( tagName.equalsIgnoreCase( DesignSchemaConstants.LIST_PROPERTY_TAG ) )
			return new ListPropertyState( handler, element, propDefn, struct );