Remove unused variable

src/components/DictionaryView.vue

@@ -221,7 +221,6 @@ export default {
     select_result: function (event) {
         this.event = event
         if (event.match) {
-          let self = this
           oda_api.get('articles?', {params: {lord: event.match, dict: this.lang}}).then((response) => {
             event.article_ids = response.data
             let source = '/' + this.lang + '/w/' + event.match