install_arch: skip UEFI partition on cloud servers

The need for UEFI booting originates from dedicated server and it does not benefit cloud servers. It therefore makes sense to skip it on them.

group_vars/all/archusers.yml

@@ -200,17 +200,6 @@ arch_users:
       - packager
       - junior-packager
       - tu
-  bluewind:
-    name: "Florian Pritz"
-    email: "bluewind@archlinux.org"
-    ssh_key: bluewind.pub
-    shell: /bin/zsh
-    groups:
-      - packager
-      - junior-packager
-      - dev
-      - junior-dev
-      - tu
   braindamage:
     name: "BrainDamage"
     ssh_key: braindamage.pub