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/DeleteResourcesOperation.java
* 
	 * @see org.eclipse.ui.ide.undo.AbstractWorkspaceOperation#doExecute(org.eclipse.core.runtime.IProgressMonitor,
	 *      org.eclipse.core.runtime.IAdaptable)
	 */
	protected void doExecute(IProgressMonitor monitor, IAdaptable uiInfo)
			throws CoreException {
		delete(monitor, uiInfo, deleteContent);
	}
	/*
	 * (non-Javadoc)
	 * 
	 * Map undo to resource recreation.
	 * 
	 * @see org.eclipse.ui.ide.undo.AbstractWorkspaceOperation#doUndo(org.eclipse.core.runtime.IProgressMonitor,
	 *      org.eclipse.core.runtime.IAdaptable)
	 */
	protected void doUndo(IProgressMonitor monitor, IAdaptable uiInfo)
			throws CoreException {
		recreate(monitor, uiInfo);
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.ide.undo.AbstractWorkspaceOperation#updateResourceChangeDescriptionFactory(org.eclipse.core.resources.mapping.IResourceChangeDescriptionFactory,
	 *      int)
	 */
	protected boolean updateResourceChangeDescriptionFactory(
			IResourceChangeDescriptionFactory factory, int operation) {
		boolean modified = false;
		if (operation == UNDO) {