fix(banner): align MOTD star border and default motd to disabled

roles/global_defaults/defaults/main.yml

@@ -79,7 +79,7 @@ system_defaults:
     swap:
       enabled: true
     banner:
-      motd: true
+      motd: false
       sudo: true
     chroot:
       tool: "arch-chroot" # arch-chroot|chroot|systemd-nspawn