[Merge] ~paelzer/ubuntu-seeds/+git/ubuntu:eoan-server-meta-updates into ~ubuntu-core-dev/ubuntu-seeds/+git/ubuntu:eoan

[Robie Basak]

Review: Needs Information

iproute2 is in the minimal seed, so looks like it's fine to drop net-tools from the server seed completely and iproute2 will still end up in our images.

On fwupd and fwupd-signed, is server definitely the correct seed? Or is it that the installer will install for us if relevant, so server-ship would be a better choice?

For example, do we really want to be Recommending fwupd-signed on a non-UEFI amd64 system, and on other architectures as well?
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https://code.launchpad.net/~paelzer/ubuntu-seeds/+git/ubuntu/+merge/367238
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