chore(docs): remove unused cookie service and module

Author: petebacondarwin

docs/app/src/app.js

@@ -1,6 +1,5 @@
 angular.module('docsApp', [
   'ngRoute',
-  'ngCookies',
   'ngSanitize',
   'ngAnimate',
   'DocsController',

docs/app/src/docs.js

@@ -1,9 +1,9 @@
 angular.module('DocsController', [])
 
 .controller('DocsController', [
-          '$scope', '$rootScope', '$location', '$window', '$cookies', 'openPlunkr',
+          '$scope', '$rootScope', '$location', '$window', 'openPlunkr',
               'NG_PAGES', 'NG_NAVIGATION', 'NG_VERSION',
-  function($scope, $rootScope, $location, $window, $cookies, openPlunkr,
+  function($scope, $rootScope, $location, $window, openPlunkr,
               NG_PAGES, NG_NAVIGATION, NG_VERSION) {
 
   $scope.openPlunkr = openPlunkr;