Bug 147737 [Wizards] Delete dead multi step wizard code
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/misc/WizardStepGroup.java
public void markStepAsDone() {
        if (currentStep != null) {
			currentStep.markAsDone();
		}
    }
    /**
     * Sets the current step being worked on. Assumes
     * the step provided exist in the steps within the
     * group's viewer.
     * 
     * @param step the wizard step being worked on
     */
    public void setCurrentStep(WizardStep step) {
        WizardStep oldStep = currentStep;
        currentStep = step;
        if (stepViewer != null) {
            if (oldStep != null) {
				stepViewer.update(oldStep, null);
			}
            if (currentStep != null) {
				stepViewer.update(currentStep, null);
			}
            
            
            if (oldStep == null && currentStep != null) {
				parentComposite.layout(true);
			}
        }
    }
    /**