Make JS compliant with the new ESLint rules.

js/tests/unit/phantom.js

@@ -7,7 +7,7 @@
  */
 
 (function () {
-  'use strict';
+  'use strict'
 
   // Don't re-order tests.
   QUnit.config.reorder = false
@@ -70,32 +70,3 @@
   })
 
 }())
-
-
-// bind polyfill
-// shoutout mdn: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/bind#Polyfill
-
-if (!Function.prototype.bind) {
-  Function.prototype.bind = function (oThis) {
-    if (typeof this !== 'function') {
-      // closest thing possible to the ECMAScript 5
-      // internal IsCallable function
-      throw new TypeError('Function.prototype.bind - what is trying to be bound is not callable');
-    }
-
-    var aArgs   = Array.prototype.slice.call(arguments, 1)
-    var fToBind = this
-    var FNOP    = function () {}
-    var fBound  = function () {
-      return fToBind.apply(this instanceof FNOP ? this : oThis, aArgs.concat(Array.prototype.slice.call(arguments)))
-    }
-
-    if (this.prototype) {
-      // native functions don't have a prototype
-      FNOP.prototype = this.prototype
-    }
-    fBound.prototype = new FNOP()
-
-    return fBound
-  }
-}