[Merge] ~paelzer/ubuntu-seeds/+git/ubuntu:prepare-to-drop-server-ship into ~ubuntu-core-dev/ubuntu-seeds/+git/ubuntu:groovy

[Christian Ehrhardt ]

Ok, the maintenance changes of the WE are over AFAIK and all things seem to work stable.
I have gathered the full output files of germinate and component mismatches to compare for unexpected changes tomorrow - landing this change now.
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https://code.launchpad.net/~paelzer/ubuntu-seeds/+git/ubuntu/+merge/389946
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