registryObjects.removeExtensionPointFromNamespaceIndex(extPoint, extensionPoint.getNamespace());
	private String removeExtensionPoint(int extPoint) {		ExtensionPoint extensionPoint = (ExtensionPoint) registryObjects.getObject(extPoint, RegistryObjectManager.EXTENSION_POINT);		int[] existingExtensions = extensionPoint.getRawChildren();		if (existingExtensions == null || existingExtensions.length == 0) {			return null;		}		//Remove the extension point from the registry object		registryObjects.addOrphans(extensionPoint.getUniqueIdentifier(), existingExtensions);		link(extensionPoint, RegistryObjectManager.EMPTY_INT_ARRAY);		return recordChange(extensionPoint, existingExtensions, IExtensionDelta.REMOVED);	}