reduce settings level

config.json

@@ -17,10 +17,7 @@
             {
                 "button":
                 {
-                    "go":
-                    {
-                        "enabled":true
-                    }
+                    "go":true
                 }
             },
             "width":640,

src/Box/Navigation.php

@@ -35,7 +35,7 @@ class Navigation
             8
         );
 
-        if ($config->interface->window->navigation->button->go->enabled)
+        if ($config->interface->window->navigation->button->go)
         {
             $this->go = new \Yggverse\Yoda\Button\Go();