create-app: move guest provider config out of local config

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

packages/create-app/templates/default-app/app-config.local.yaml

@@ -1,5 +1 @@
 # Backstage override configuration for your local development environment
-auth:
-  providers:
-    guest: {}
-      # See https://github.com/backstage/backstage/blob/master/docs/auth/guest/provider.md

packages/create-app/templates/default-app/app-config.production.yaml

@@ -28,6 +28,10 @@ backend:
       #   ca: # if you have a CA file and want to verify it you can uncomment this section
       #     $file: <file-path>/ca/server.crt
 
+auth:
+  providers:
+    guest: null
+
 catalog:
   # Overrides the default list locations from app-config.yaml as these contain example data.
   # See https://backstage.io/docs/features/software-catalog/#adding-components-to-the-catalog for more details

packages/create-app/templates/default-app/app-config.yaml.hbs

@@ -64,7 +64,9 @@ techdocs:
 
 auth:
   # see https://backstage.io/docs/auth/ to learn about auth providers
-  providers: {}
+  providers:
+    # See https://backstage.io/docs/auth/guest/provider
+    guest: {}
 
 scaffolder:
   # see https://backstage.io/docs/features/software-templates/configuration for software template options