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/AbstractMarkersOperation.java
* no longer valid. Other status severities are open to interpretation by
	 * the caller.
	 * 
	 * @return the status indicating the projected outcome of deleting the
	 *         markers.
	 * 
	 */
	protected IStatus getMarkerDeletionStatus() {
		if (markersExist()) {
			return Status.OK_STATUS;
		}
		return getErrorStatus(UndoMessages.MarkerOperation_MarkerDoesNotExist);
	}
	/**
	 * Compute the status for creating any known markers. A status severity of
	 * <code>OK</code> indicates that the create is likely to be successful. A
	 * status severity of <code>ERROR</code> indicates that the operation is
	 * no longer valid. Other status severities are open to interpretation by
	 * the caller.
	 * 
	 * @return the status indicating the projected outcome of creating the
	 *         markers.
	 * 
	 */
	protected IStatus getMarkerCreationStatus() {
		if (!resourcesExist()) {
			return getErrorStatus(UndoMessages.MarkerOperation_ResourceDoesNotExist);
		} else if (markerDescriptions == null) {
			return getErrorStatus(UndoMessages.MarkerOperation_NotEnoughInfo);
		}