[web] Remove duplicate loading of data before route update

web-src/src/pages/PagePlaylistTracks.vue

@@ -65,13 +65,6 @@ export default {
       next((vm) => dataObject.set(vm, response))
     })
   },
-  beforeRouteUpdate(to, from, next) {
-    const vm = this
-    dataObject.load(to).then((response) => {
-      dataObject.set(vm, response)
-      next()
-    })
-  },
 
   data() {
     return {