[Merge] ~nteodosio/software-properties:ppa-removal into software-properties:ubuntu/master

[Paride Legovini]

Review: Approve

Thanks for the extra info. This LGTM.

I'll test a package build locally before merging.
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https://code.launchpad.net/~nteodosio/software-properties/+git/software-properties/+merge/463870
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