Github user ahgittin commented on the issue:
https://github.com/apache/brooklyn-server/pull/812
OTOH someone using a live deployment might want to use one of the test
blueprints. The docs describe how to change the password:
https://github.com/apache/brooklyn-docs/pull/209/files#diff-b6c73a383415d543418f8762ce2dbe9eR79
I think that's sufficient. If someone really wants to disable that key we
can tell them to include just the first line there (the provider is present,
but empty); if that becomes a popular feature request then we add the ability
to completely disable.
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