Removed cloud identity group set_computed_name post_create (#13627)

Author: melinath

mmv1/products/cloudidentity/Group.yaml

@@ -45,7 +45,6 @@ async:
   target_occurrences: 10
   actions: ['create', 'update', 'delete']
 custom_code:
-  post_create: 'templates/terraform/post_create/set_computed_name.tmpl'
   custom_import: 'templates/terraform/custom_import/cloud_identity_group_import.go.tmpl'
 exclude_sweeper: true
 examples: