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
/* (non-Javadoc)
     * Method declared on IWizard.
     */
    public IWizardPage getStartingPage() {
        IWizardPage page = super.getStartingPage();
        buildSteps();
        return page;
    }
    /* (non-Javadoc)
     * Method declared on MultiStepWizard.
     */
    boolean handleMissingStepWizard(WizardStep step) {
        MessageDialog
                .openError(
                        getShell(),
                        IDEWorkbenchMessages.UpdateProjectCapabilityWizard_errorTitle,
                        NLS.bind(IDEWorkbenchMessages.UpdateProjectCapabilityWizard_noWizard, step.getLabel()));
        return false;
    }
    /**
     * Sets the image banner for the wizard
     */
    protected void initializeDefaultPageImageDescriptor() {
        ImageDescriptor desc = IDEWorkbenchPlugin.getIDEImageDescriptor("wizban/newprj_wiz.gif");
     
        setDefaultPageImageDescriptor(desc);
      
    }
}