fix: dedupe catalog group and user definitions

default-catalog/catalog-info.yaml

@@ -4,6 +4,5 @@ metadata:
   name: default-catalog
 spec:
   targets:
-    - ./groups.yaml
     - ./organizations.yaml
     - ./users.yaml

default-catalog/users.yaml

@@ -9,44 +9,3 @@ spec:
     picture: https://api.dicebear.com/9.x/big-ears-neutral/svg?seed=johnny.huynh
   memberOf:
     - developers
-
----
-apiVersion: backstage.io/v1alpha1
-kind: User
-metadata:
-  name: guest
-spec:
-  profile:
-    displayName: Guest
-    email: guest@echohello.dev
-    picture: https://api.dicebear.com/9.x/big-ears-neutral/svg?seed=guest
-  memberOf:
-    - readers
-
----
-apiVersion: backstage.io/v1alpha1
-kind: User
-metadata:
-  name: guest
-  namespace: development
-spec:
-  profile:
-    displayName: Guest
-    email: guest@echohello.dev
-    picture: https://api.dicebear.com/9.x/big-ears-neutral/svg?seed=guest
-  memberOf:
-    - readers
-
----
-apiVersion: backstage.io/v1alpha1
-kind: User
-metadata:
-  name: guest
-  namespace: production
-spec:
-  profile:
-    displayName: Guest
-    email: guest@echohello.dev
-    picture: https://api.dicebear.com/9.x/big-ears-neutral/svg?seed=guest
-  memberOf:
-    - readers