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/WizardNewProjectCapabilityPage.java
* @param pageName the name of this page
     */
    public WizardNewProjectCapabilityPage(String pageName) {
        super(pageName);
    }
    /* (non-Javadoc)
     * Method declared on IWizardPage
     */
    public boolean canFlipToNextPage() {
        
        return isPageComplete();
    }
    /* (non-Javadoc)
     * Method declared on IDialogPage.
     */
    public void createControl(Composite parent) {
    	PlatformUI.getWorkbench().getHelpSystem().setHelp(parent,
                IIDEHelpContextIds.NEW_PROJECT_CAPABILITY_WIZARD_PAGE);
        CapabilityRegistry reg = IDEWorkbenchPlugin.getDefault()
                .getCapabilityRegistry();
        capabilityGroup = new ProjectCapabilitySelectionGroup(
                initialSelectedCategories, initialProjectCapabilities, reg);
        setControl(capabilityGroup.createContents(parent));
        capabilityGroup.setCheckStateListener(new ICheckStateListener() {
            public void checkStateChanged(CheckStateChangedEvent event) {
                getWizard().getContainer().updateButtons();
            }
        });
        if (!reg.hasCapabilities())
            setMessage(