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/ProjectCapabilityPropertyPage.java
import org.eclipse.ui.internal.ide.IDEWorkbenchPlugin;
import org.eclipse.ui.internal.ide.IIDEHelpContextIds;
import org.eclipse.ui.internal.ide.misc.ProjectCapabilitySelectionGroup;
import org.eclipse.ui.internal.ide.registry.Capability;
import org.eclipse.ui.internal.ide.registry.CapabilityRegistry;
/**
 * A property page for IProject resources to view and edit the
 * capabilities assigned to the project.
 */
public class ProjectCapabilityPropertyPage extends PropertyPage {
    /**
     * The wizard dialog width
     */
    private static final int SIZING_WIZARD_WIDTH = 500;
    /**
     * The wizard dialog height
     */
    private static final int SIZING_WIZARD_HEIGHT = 500;
    private IProject project;
    private ProjectCapabilitySelectionGroup capabilityGroup;
    /**
     * Creates a new ProjectCapabilityPropertyPage.
     */
    public ProjectCapabilityPropertyPage() {
        super();
    }
    /* (non-Javadoc)
     * Method declared on PreferencePage
     */
    protected Control createContents(Composite parent) {