How do we turn off ability for employees to create their own Journeys?

Summary:

We do not want employees to have access to the "Create Journey" feature.

Content (please ensure you mask any confidential information):

How do we remove this setting? Is it something we can turn off or is it a security setting that needs to be adjusted?

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

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