Remove the exclusion of the setup-test-cluster profile

[hogimn]

Proposed Changes

setup-test-cluster profile is deleted in previous commit. It is not used anymore, thus I removed that profile from docs.

Types of Changes

• [ ] Bugfix (non-breaking change which fixes issue #NNNN)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [x] Documentation (correction or otherwise)
• [ ] Cosmetics (whitespace, appearance)

Checklist

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• [x] I have read the CONTRIBUTING.md document
• [x] I have signed the CA (see https://cla.pivotal.io/sign/rabbitmq)
• [x] All tests pass locally with my changes
• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] I have added necessary documentation (if appropriate)
• [ ] Any dependent changes have been merged and published in related repositories