remove dead code: show-wordnik-dev

dist/swagger-ui.js

@@ -20661,7 +20661,6 @@ SwaggerUi.Views.ContentTypeView = Backbone.View.extend({
 SwaggerUi.Views.HeaderView = Backbone.View.extend({
   events: {
     'click #show-pet-store-icon'    : 'showPetStore',
-    'click #show-wordnik-dev-icon'  : 'showWordnikDev',
     'click #explore'                : 'showCustom',
     'keyup #input_baseUrl'          : 'showCustomOnKeyup',
     'keyup #input_apiKey'           : 'showCustomOnKeyup'
@@ -20675,12 +20674,6 @@ SwaggerUi.Views.HeaderView = Backbone.View.extend({
     });
   },
 
-  showWordnikDev: function(){
-    this.trigger('update-swagger-ui', {
-      url: 'http://api.wordnik.com/v4/resources.json'
-    });
-  },
-
   showCustomOnKeyup: function(e){
     if (e.keyCode === 13) {
       this.showCustom();