[BUG] When tenancy is disabled, remove tenant panels from role view/edit/list pages

[derek-ho]

What is the bug? When tenancy is disabled the tenant panel is still present on role view, edit, and list pages. We should remove them to not confuse users. How can one reproduce the bug? Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

What is the expected behavior? A clear and concise description of what you expected to happen.

What is your host/environment?

• OS: [e.g. iOS]
• Version [e.g. 22]
• Plugins

Do you have any screenshots? If applicable, add screenshots to help explain your problem.

Do you have any additional context? Add any other context about the problem.

[cwperks]

[Triage] This sounds like a good thing to implement. tenant_permissions do not make sense when tenancy is disabled.