Remove jshint comments

tests/test.display.js

@@ -1,4 +1,3 @@
-/* jshint expr: true */
 var expect = chai.expect;
 
 import Base64 from '../core/base64.js';

tests/test.keyboard.js

@@ -12,7 +12,6 @@ function isEdge() {
     return navigator && !!(/edge/i).exec(navigator.userAgent);
 }
 
-/* jshint newcap: false, expr: true */
 describe('Key Event Handling', function() {
     "use strict";
 

tests/test.localization.js

@@ -1,5 +1,3 @@
-/* jshint expr: true */
-
 var assert = chai.assert;
 var expect = chai.expect;
 

tests/test.mouse.js

@@ -6,7 +6,6 @@ import sinon from '../vendor/sinon.js';
 import Mouse from '../core/input/mouse.js';
 import * as eventUtils from '../core/util/events.js';
 
-/* jshint newcap: false, expr: true */
 describe('Mouse Event Handling', function() {
     "use strict";
 

tests/test.rfb.js

@@ -1,4 +1,3 @@
-/* jshint expr: true */
 var assert = chai.assert;
 var expect = chai.expect;
 

tests/test.util.js

@@ -1,5 +1,3 @@
-/* jshint expr: true */
-
 var assert = chai.assert;
 var expect = chai.expect;
 

tests/test.websock.js

@@ -1,4 +1,3 @@
-/* jshint expr: true */
 var assert = chai.assert;
 var expect = chai.expect;