[Merge] lp:~dannf/debian-installer/arm64-cleanup into lp:~ubuntu-core-dev/debian-installer/ubuntu

[Mathieu Trudel-Lapierre]

Review: Disapprove

Rejecting; I asked dann and it looks like this is included in another merge (https://code.launchpad.net/~dannf/debian-installer/arm64-grubimages/+merge/253282)
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https://code.launchpad.net/~dannf/debian-installer/arm64-cleanup/+merge/249738
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