[Merge] ~cpete/livecd-rootfs:kdump-tools-installed-by-default into livecd-rootfs:ubuntu/master

[Chris Peterson]

Ack, thanks for the clarification. I've removed the logic to add kdump-tools and opened a PR for the seed changes: https://code.launchpad.net/~cpete/ubuntu-seeds/+git/ubuntu/+merge/473312
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https://code.launchpad.net/~cpete/livecd-rootfs/+git/livecd-rootfs/+merge/473230
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