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/IDEWorkbenchPlugin.java
*/
    public static final String DEFAULT_TEXT_EDITOR_ID = "org.eclipse.ui.DefaultTextEditor"; 
    
    public static final String PL_MARKER_IMAGE_PROVIDER = "markerImageProviders"; 
    public static final String PL_MARKER_HELP = "markerHelp"; 
    public static final String PL_MARKER_RESOLUTION = "markerResolution"; 
    public static final String PL_CAPABILITIES = "capabilities"; 
    public static final String PL_PROJECT_NATURE_IMAGES = "projectNatureImages"; 
	
	private final static String ICONS_PATH = "$nl$/icons/full/";
    /**
     * Project image registry; lazily initialized.
     */
    private ProjectImageRegistry projectImageRegistry = null;
    /**
     * Marker image registry; lazily initialized.
     */
    private MarkerImageProviderRegistry markerImageProviderRegistry = null;
    /**
     * Capability registry; lazily initialized.
     */
    private CapabilityRegistry capabilityRegistry;
   
	/**
	 * Create an instance of the receiver.
	 */
	public IDEWorkbenchPlugin() {
		super();
		inst = this;
	}