adjust SSH key comment

freifunk-mgmt/users.sls

@@ -13,7 +13,7 @@ ssh_buildbot:
   ssh_auth.present:
     - user: buildbot
     - enc: 'ssh-ed25519'
-    - comment: 'buildbot@tobias@desktop.lan'
+    - comment: 'buildbot'
     - name: 'AAAAC3NzaC1lZDI1NTE5AAAAILv5I8sfLt/VgqektdzzdZf2Zh1hfmziy97Uc9x2D6Mf'
     - require:
       - user: user_buildbot