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/ProjectCapabilityEditingPropertyPage.java
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.ICapabilityUninstallWizard;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.internal.ide.IDEWorkbenchMessages;
import org.eclipse.ui.internal.ide.IDEWorkbenchPlugin;
import org.eclipse.ui.internal.ide.IIDEHelpContextIds;
import org.eclipse.ui.internal.ide.registry.Capability;
import org.eclipse.ui.internal.ide.registry.CapabilityRegistry;
import org.eclipse.ui.internal.progress.ProgressMonitorJobsDialog;
import org.eclipse.ui.model.WorkbenchContentProvider;
/**
 * A property page for IProject resources to edit a single
 * capability at a time.
 */
public class ProjectCapabilityEditingPropertyPage extends
        ProjectCapabilityPropertyPage {
    private static final int SIZING_WIZARD_WIDTH = 500;
    private static final int SIZING_WIZARD_HEIGHT = 500;
    private TableViewer table;
    private Button addButton;
    private Button removeButton;
    private ArrayList disabledCaps = new ArrayList();
    private Capability selectedCap;
    private CapabilityRegistry reg;
    /**