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
* 
     * @param project the project to configure new capabilities
     * @param addCapabilities the new capabilities to configure on the project
     * @param removeCapabilities the old capabilities to remove from the project
     * 		in reverse order (first item last to be removed)
     */
    public UpdateProjectCapabilityWizard(IProject project,
            Capability[] addCapabilities, Capability[] removeCapabilities) {
        super();
        this.project = project;
        this.addCapabilities = addCapabilities;
        this.removeCapabilities = removeCapabilities;
        initializeDefaultPageImageDescriptor();
        setWindowTitle(IDEWorkbenchMessages.UpdateProjectCapabilityWizard_windowTitle);
    }
    /**
     * Builds the collection of steps
     */
    private void buildSteps() {
        int stepNumber = 1;
        ArrayList steps = new ArrayList(removeCapabilities.length
                + addCapabilities.length);
        
        if (removeCapabilities.length > 0) {
            
            for (int i = removeCapabilities.length - 1; i >= 0; i--) {
                if (removeCapabilities[i] != null) {