Retiring several opendev/puppet modules

[Andreas Jaeger]

We've used a lot puppet modules for the OpenDev infrastructure and
migrate to ansible, thus we can drop a couple of modules and retire them
formally!

For details, see https://review.opendev.org/#/c/720901/ and
https://review.opendev.org/733850

Andreas
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 Andreas Jaeger aj at suse.com Twitter: jaegerandi
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