fix: [lint] Fix unused variable

src/track/track.ts

@@ -23,7 +23,7 @@ import * as $rdf from 'rdflib';
 import Vue from 'vue';
 /// <reference path="../common/vue.d.ts" />
 import TrackImpl from './TrackImpl.vue';
-import { ONTOLOGY, loadTrack, Track, Talk, Conference } from '../common/schema';
+import { ONTOLOGY, loadTrack, Talk, Conference } from '../common/schema';
 
 /**
  * The descritptor for the default Dbpedia Track view