[Merge] ~mwhudson/ubuntu-seeds/+git/platform:remove-popularity-contest into ~ubuntu-core-dev/ubuntu-seeds/+git/platform:groovy

[Michael Hudson-Doyle]

Shouldn't merge this until we've announced the change.
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https://code.launchpad.net/~mwhudson/ubuntu-seeds/+git/platform/+merge/387118
Your team Ubuntu Core Development Team is requested to review the proposed merge of ~mwhudson/ubuntu-seeds/+git/platform:remove-popularity-contest into ~ubuntu-core-dev/ubuntu-seeds/+git/platform:groovy.