unused variable intialization removed

frontend-js/src/main/js/gui/admin/LogListDialog.js

@@ -112,13 +112,11 @@ LogListDialog.prototype.downloadAll = function (data, callback) {
     projectId: self._projectId,
     level: self._level
   }).then(function (logEntries) {
-    var response = "";
     var tmp = [];
     for (var i = 0; i < logEntries.data.length; i++) {
       tmp.push(logEntries.data[i].content);
     }
-    response = tmp.join("\n");
-    return response;
+    return tmp.join("\n");
   });
 };