Hide Self-Service Link inside Course Number link

Summary:

Client wants to hide Self-Service link since they won't be using it.

Content (required):

When you go to the Course details, you can click on the Course Number. And after clicking it, a section prompts and shows three links:

Is there a way to hide the first 2 links? Since our client said that it won't be needed because we won't be using Self-Service. I tried via page composer but it's not possible.

Version (include the version you are using, if applicable): 23B

Code Snippet (add any code snippets that support your topic, if applicable):