Bug 134954 Library can't be removed
Steps to reproduce: 1.New a report "a.rptdesign" 2.New a library which is not in the same fold with report, saying "../test/lib.rptlibrary" 3.Report includes the library 4.Remove the library Expected result: The library is removed Actual result: Open XMLSource, the included library structure is still there.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/command/LibraryCommand.java
static final int RELOAD_ACTION = 1;
	/**
	 * The simple action like add/remove.
	 */
	static final int SIMPLE_ACTION = 2;
	/**
	 * Construct the command with the report design.
	 * 
	 * @param module
	 *            the report design
	 */
	public LibraryCommand( Module module )
	{
		super( module, module );
	}
	/**
	 * Adds new library file to report design.
	 * 
	 * @param libraryFileName
	 *            library file name
	 * @param namespace
	 *            library namespace
	 * @throws DesignFileException
	 *             if the library file is not found or has fatal errors.
	 * @throws SemanticException
	 *             if failed to add <code>IncludeLibrary</code> strcutre
	 */
	public void addLibrary( String libraryFileName, String namespace )
			throws DesignFileException, SemanticException
	{