By removing any Cisco Webex Hybrid Services from your on-premises resources, you are not only removing user access to the features. You are also removing the related configuration.
From the customer view in https://admin.webex.com, go to Services , and then click View settings on a hybrid service card.
Click Deactivate .
Read the caution that appears, and then proceed if you're sure.
The service is no longer available to your organization and any on-premises connector software is removed from your registered resources.