message: Removed unused typing
  Will add back in when needed in tests
diff: @@ -88,5 +88,3 @@ export interface NavigationBackLinkProps extends RefreshLinkProps {
  * Hyperlink Component the navigates back along the crumb trail
  */
  export class NavigationBackLink extends Component<NavigationBackLinkProps> { }
  -
  -export var NavigationContext: any;
  