backend-next: update to stop using appBackend options

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

app-config.yaml

@@ -20,6 +20,8 @@ app:
           - url: https://discord.gg/backstage-687207715902193673
             title: '#backstage'
 
+  packageName: example-app
+
 backend:
   # Used for enabling authentication, secret is shared by all backend plugins
   # See https://backstage.io/docs/auth/service-to-service-auth for

packages/backend-next/src/index.ts

@@ -42,7 +42,7 @@ import { lighthousePlugin } from '@backstage/plugin-lighthouse-backend';
 
 const backend = createBackend();
 
-backend.add(appPlugin({ appPackageName: 'example-app' }));
+backend.add(appPlugin());
 
 // Badges
 backend.add(badgesPlugin());