pubkeys: Merge klausenbusk's keys into a single file

They should never have been in two files.

Fixes: 98704c48 ("root_ssh: Add additional SSH key for klausenbusk")

group_vars/all/archusers.yml

@@ -374,10 +374,6 @@ arch_users:
       - mail.archlinux.org
     groups:
       - support-staff
-    additional_ssh_keys:
-      - name: klausenbusk_2.pub
-        hosts:
-          - all
   lahwaacz:
     name: "Jakub Klinkovský"
     ssh_key: lahwaacz.pub

group_vars/all/root_access.yml

@@ -20,7 +20,6 @@ root_ssh_keys:
   - key: svenstaro.pub
   - key: anthraxx.pub
   - key: klausenbusk.pub
-    additional_keys: [klausenbusk_2.pub]
   - key: artafinde.pub
     hosts:
       - aur.archlinux.org

pubkeys/klausenbusk.pub

 ssh-rsa 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 klausenbusk
+ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAACAQCdl/+AxYj/qY/d8gUowSP1hNc2iU4jiTm0o+HkfqLzew6iRDGn9ZvIXkpKbrtG0sPwda/d4It2ykmcKj7i72vFmQ3ez44y1laA8Sr85GT3aedXiBDiPXf7v4p2Otkhd/P++5bfvmbNc7cE4JKKwenDArWI08LANiHKXE2QyU4CWHivLAPxNs5IHFKnj3j/MDAhRa4ViyITTXBwmqhxlQ+MguGKaX14NsGzZTIuRJG28GhBzJR+SRSh4Me/MRchYkIn+2C43CC7ykbGyoy7JadCKte4GwjN0Eg8syKDC2FgH3i1Df19OwqIUz23YYMW9nNz+vIOeTPGRjy87vhTUNB4G+NN9UbLFlYhGsjMqZn6ZXk6kXNFwgty23mq7PpygdSxE5mSili9P1e0dprjLSUPrlfBrUBZ5IDFzoWiIUlqPDDx3Li8zAXrAMGnLMjDa/hLyoNJKXuD4cnoiTxDfDjid59/EV5dC8QB82XvaYj1fnTdt3Wm93sIJfUzSmxPn6BdswPndjJu2HIkP+YFO+gXLviDnFf86e19sTN2geew8+PnKj1y4S1JPL8FIbK41zUUxXh7qNBPR+FHO33HfipDQ/dJPUVJD7b+2wHwFkxvZUkT81blMOPEfTUGtYLlazEyO/2QafENp2Uuj5tXyfsRUxDVjFtaj2+7adNxCZ8w0Q== klausenbusk_2

pubkeys/klausenbusk_2.pub

-ssh-rsa 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 klausenbusk_2