MINOR: tweaking implementation

_config/config.yml

@@ -8,7 +8,7 @@ SilverStripe\Security\Member:
 ---
 Name: featuredpostswidget
 Only:
-  moduleexists: widgets
+  moduleexists: silverstripe/widgets
 ---
 SilverStripe\Blog\Model\BlogPost:
   extensions:

src/Model/BlogPostFeaturedExtension.php

@@ -28,7 +28,5 @@ class BlogPostFeaturedExtension extends DataExtension
             'Root.PostOptions',
             CheckboxField::create('FeaturedInWidget', _t(__CLASS__ . '.FEATURED', 'Include Post in Feature Widget'))
         );
-
-        return $fields;
     }
 }

src/Widgets/BlogFeaturedPostsWidgetController.php

@@ -1,14 +0,0 @@
-<?php
-
-namespace SilverStripe\Blog\Widgets;
-
-use SilverStripe\Widgets\Model\WidgetController;
-
-if (!class_exists(WidgetController::class)) {
-    return;
-}
-
-class BlogFeaturedPostsWidgetController extends WidgetController
-{
-
-}