Remove dupe archlinux entries

roles/netbootxyz/defaults/main.yml

@@ -135,24 +135,6 @@ releases:
     versions:
     - code_name: current
       name: current
-  archlinux:
-    base_dir: archlinux
-    enabled: true
-    menu: linux
-    mirror: mirrors.kernel.org
-    name: Arch Linux 64-bit
-    versions:
-    - code_name: 2021.09.01
-      name: 2021.09.01
-  archlinux-32:
-    base_dir: pub/archlinux32
-    enabled: true
-    menu: linux
-    mirror: mirror.math.princeton.edu
-    name: Arch Linux 32-bit
-    versions:
-    - code_name: 2021.09.01
-      name: 2021.09.01
   archlinux_32:
     base_dir: pub/archlinux32
     enabled: true