Add empty template

app/templates/corpora/analyse_corpus.html.j2

@@ -311,12 +311,7 @@
         outerWindow: 1
       }],
       valueNames: ["titles", "lc", "hit", "rc", {data: ["index"]}],
-      item: `<tr>
-      <td class="titles"></td>
-      <td class="lc"></td>
-      <td class="hit"></td>
-      <td class="rc"></td>
-      </tr>`};
+      item: `<span class="hidden"></span>`};
       resultList = new ResultList('result-list', options);
   });