Remove old preview functionality

src/Umbraco.Web.UI.Client/src/canvasdesigner.loader.js

@@ -1,19 +0,0 @@
-
-LazyLoad.js([
-    '../lib/jquery/jquery.min.js',
-    '../lib/angular/angular.js',
-    '../lib/underscore/underscore-min.js',
-    '../lib/umbraco/Extensions.js',
-    '../js/app.js',
-    '../js/umbraco.resources.js',
-    '../js/umbraco.services.js',
-    '../js/umbraco.interceptors.js',
-    '../ServerVariables',
-    '../lib/signalr/jquery.signalR.js',
-    '../BackOffice/signalr/hubs',
-    '../js/umbraco.canvasdesigner.js'
-], function () {
-    jQuery(document).ready(function () {
-        angular.bootstrap(document, ['Umbraco.canvasdesigner']);
-    });
-});