How do we remove the Classic requisition application as an option in Favorites and Recents (Star)?

Summary:

We have enabled RSSP as the only requisitioning experience for all our users in lower environments; however, we can still access the Classic requisition application through Favorites and Recents. Is there any way we can remove the Classic application from the Oracle system by role or privilege after enabling RSSP as the only requisitioning experience for all users?

These are the instructions we found, and we using Approach 2:

FAQ - Redwood Self Service Procurement app replacing Purchase Requisitions work area — Cloud Customer Connect

ENABLING REDWOOD SELF SERVICE PROCUREMENT

Question: How do I enable the Redwood SSP application?

Step 1 - Enable Opt-In