Bug 207825 Crosstab gives wrong default for Totals on Count
xtab/org.eclipse.birt.report.item.crosstab.core/src/org/eclipse/birt/report/item/crosstab/core/de/internal/DimensionViewTask.java
* @throws SemanticException
	 */
	public void removeLevel( String name ) throws SemanticException
	{
		LevelViewHandle levelView = dimensionView.getLevel( name );
		if ( levelView != null )
		{
			removeLevel( levelView, true );
		}
	}
	/**
	 * 
	 * @param levelView
	 * @throws SemanticException
	 */
	void removeLevel( LevelViewHandle levelView, boolean needTransaction )
			throws SemanticException
	{
		assert levelView != null;
		CommandStack stack = null;
		if ( needTransaction )
		{
			stack = dimensionView.getCommandStack( );
			stack.startTrans( Messages
					.getString( "DimensionViewTask.msg.remove.level" ) ); 
		}
		try
		{