Comment 2 for bug 1923868

Investigating your other bug caused me to find:

https://code.launchpad.net/~codyshepherd/livecd-rootfs/+git/livecd-rootfs/+merge/398027

Which will set up a custom grub config without quiet. Looking at a hirsute image, this appears to be the case already. What is remaining is the SRU back to other releases via the following MPs:

xenial
https://code.launchpad.net/~codyshepherd/livecd-rootfs/+git/livecd-rootfs/+merge/398900

bionic
https://code.launchpad.net/~codyshepherd/livecd-rootfs/+git/livecd-rootfs/+merge/398899

focal
https://code.launchpad.net/~codyshepherd/livecd-rootfs/+git/livecd-rootfs/+merge/398898

groovy
https://code.launchpad.net/~codyshepherd/livecd-rootfs/+git/livecd-rootfs/+merge/398897