Collections sync is not working on PAH after deleting all collections and name spaces.

<what is happening>

After deleting collections and namespaces on the PAH using API calls , syncing the collections again is triggered but the sync task finished after seconds as completed

<list explicit steps to reproduce>

1) Sync rh-certified collections repository.
2) Delete all collections and namespaces using API calls using loop :

1. curl -k -u admin:redhat https://[PAH]/api/galaxy/content/rh-certified/v3/plugin/ansible/content/rh-certified/collections/index/ansible/[Collection]/ -X DELETE

1. curl -k -u admin:redhat https://[PAH]/api/galaxy/_ui/v1/namespaces/[NAMESPACE]/ -X DELETE

<how reproducible>

Always

<Actual Behavior>

The sync task finished after seconds as completed.

Progress messages
Message :no-op: https://console.redhat.com/api/automation-hub/content/[USER]-synclist/ did not change since last sync - 2023-03-17 15:14:12.284862+00:00
Code: sync.no_change
State: completed

<what is happening>

Expected Behavior

The sync should work without issues
<what should happen>