Bug 126779 [IDE] Removed deprecated project capabilities API and implementation
It was created then deprecated before 2.0 shipped. As has never been API and we don't use it we should delete it.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/UpdateProjectCapabilityWizard.java
IWorkbench workbench = PlatformUI.getWorkbench();
            CapabilityRegistry reg = IDEWorkbenchPlugin.getDefault()
                    .getCapabilityRegistry();
            Capability[] results = reg.pruneCapabilities(addCapabilities);
            for (int i = 0; i < results.length; i++, stepNumber++)
                steps.add(new InstallCapabilityStep(stepNumber, results[i],
                        workbench, this));
        }
        
        WizardStep[] results = new WizardStep[steps.size()];
        steps.toArray(results);
        setSteps(results);
    }
    /* (non-Javadoc)
     * Method declared on MultiStepWizard.
     */
    protected void addCustomPages() {
    }
    /* (non-Javadoc)
     * Method declared on MultiStepWizard.
     */
    protected boolean canFinishOnReviewPage() {
        WizardStep[] steps = getSteps();
        
        return steps.length == 1 && steps[0] instanceof RemoveCapabilityStep;
    }
    /* (non-Javadoc)
     * Method declared on MultiStepWizard.
     */
    protected String getConfigurePageTitle() {