Bug 153040 Template definition should be removed after the report item is deleted
Steps to reproduce: 1.New a report, extends lib.label 2.Convert the label to template report item, and revert it back to the report item 3.Delete the label 4.Remove the included library Expected result: Library can be removed Actual result: A BIRT exception occurred. Plug-in Provider:Eclipse.org Plug-in Name:BIRT Model Plug-in ID:org.eclipse.birt.report.model Version:2.1.0.v20060808-0630 Error Code:Error.LibraryException.LIBRARY_HAS_DESCENDENTS Error Message:The library "Lib" can no be dropped because it has descendents "NewLabel" in the current module.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/command/ContentCommand.java
catch ( SemanticException e )
		{
			stack.rollback( );
			throw e;
		}
		stack.commit( );
	}
	/**
	 * Does some actions when the content is removed from the design tree.
	 * 
	 * @param content
	 *            the content to remove
	 * @param unresolveReference
	 *            status whether to un-resolve the references
	 * @throws SemanticException
	 */
	private void doDelectAction( DesignElement content,
			boolean unresolveReference ) throws SemanticException
	{
		
		removeContents( content );
		
		dropUserProperties( content );
		if ( content.hasReferences( ) )
			adjustReferenceClients( (ReferenceableElement) content,
					unresolveReference );
		adjustReferredClients( content );
		adjustDerived( content );
		
		if ( content.getStyle( module ) != null )