Bug 173902 remove EXPERIMENTAL markings from 3.3 IDE Undo API
Need to remove the EXPERIMENTAL javadoc from the new API I introduced in 3.3. See org.eclipse.ui.ide.undo org.eclipse.jface.fieldassist
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/ide/undo/WorkspaceUndoUtil.java
*         resource.
	 * @throws CoreException
	 *             propagates any CoreExceptions thrown from the resources API
	 */
	static ResourceDescription delete(IResource resourceToDelete,
			IProgressMonitor monitor, IAdaptable uiInfo,
			boolean forceOutOfSyncDelete, boolean deleteContent)
			throws CoreException {
		ResourceDescription resourceDescription = ResourceDescription
				.fromResource(resourceToDelete);
		if (resourceToDelete.getType() == IResource.PROJECT) {
			
			monitor
					.setTaskName(UndoMessages.AbstractResourcesOperation_DeleteResourcesProgress);
			IProject project = (IProject) resourceToDelete;
			project.delete(deleteContent, forceOutOfSyncDelete, monitor);
		} else {
			
			monitor.beginTask("", 2); 
			monitor
					.setTaskName(UndoMessages.AbstractResourcesOperation_DeleteResourcesProgress);
			int updateFlags;
			if (forceOutOfSyncDelete) {
				updateFlags = IResource.KEEP_HISTORY | IResource.FORCE;
			} else {
				updateFlags = IResource.KEEP_HISTORY;
			}
			resourceToDelete.delete(updateFlags, new SubProgressMonitor(
					monitor, 1));
			resourceDescription.recordStateFromHistory(resourceToDelete,