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/ProjectCapabilitySimpleSelectionPage.java
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.ui.ICapabilityInstallWizard;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.internal.ide.Category;
import org.eclipse.ui.internal.ide.IDEWorkbenchMessages;
import org.eclipse.ui.internal.ide.IDEWorkbenchPlugin;
import org.eclipse.ui.internal.ide.registry.Capability;
import org.eclipse.ui.internal.ide.registry.CapabilityRegistry;
import org.eclipse.ui.model.WorkbenchContentProvider;
import org.eclipse.ui.model.WorkbenchLabelProvider;
public class ProjectCapabilitySimpleSelectionPage extends WizardPage {
    private IWorkbench workbench;
    private IStructuredSelection selection;
    private IProject project;
    private TreeViewer viewer;
    private CapabilityRegistry reg;
    private Capability chosenCapability;
    private HashMap mapCapToWizard = new HashMap();
    /**
     * Creates an instance of this page.
     */
    public ProjectCapabilitySimpleSelectionPage(String pageName,
            IWorkbench workbench, IStructuredSelection selection,
            IProject project) {
        super(pageName);
        this.workbench = workbench;