unnecessary imports removed

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

@@ -7,13 +7,10 @@ var GuiConnector = require("../../GuiConnector");
 var MultiCheckboxList = require("multi-checkbox-list");
 var UserPreferences = require("../../map/data/UserPreferences");
 
-var InvalidArgumentError = require('../../InvalidArgumentError');
-
 var Functions = require('../../Functions');
+// noinspection JSUnusedLocalSymbols
 var logger = require('../../logger');
 
-var Promise = require("bluebird");
-
 function ChooseAnnotatorsDialog(params) {
   AbstractGuiElement.call(this, params);
   var self = this;
@@ -170,8 +167,6 @@ ChooseAnnotatorsDialog.prototype.setElementType = function (elementType) {
 
     var selectedAnnotators = user.getPreferences().getElementAnnotators(elementType.className);
 
-    var selectedValues = [];
-
     var entries = [];
 
     for (i = 0; i < annotators.length; i++) {