Update Linux framework laptop for AMD board.

Unfortunately, FreeBSD does not seem to boot so it is not being updated in this commit.

ansible/roles/build/files/aurutils-nuke

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+#
+# If something is very wrong in pacman, this removes the keyring and the entire custom repo, then sets up pacman's keyring again. Running the ansible playbook is necessary to get the custom repo added.
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+doas rm -rf /var/cache/pacman/custom/ /etc/pacman.d/conf.d/aurutils.conf
+doas rm -rf /etc/pacman.d/gnupg
+doas pacman-key --init
+doas pacman-key --populate archlinux
+doas pacman -S archlinux-keyring