GNOME Backups: stop backups on PHX2 boxes, they are moved to RAL3

roles/gnome_backups/files/backup.sh

@@ -8,14 +8,10 @@ export PATH=$PATH:/bin:/usr/bin:/usr/local/bin
 MACHINES='signal.gnome.org
           palette.gnome.org 
           bastion.gnome.org
-          spinner.gnome.org
           master.gnome.org
           restaurant.gnome.org
-          expander.gnome.org
           view.gnome.org
           puppetmaster01.gnome.org
-          accelerator.gnome.org
-          range.gnome.org
           account.gnome.org
           bugzilla.gnome.org
           gesture.gnome.org

roles/gnome_backups/tasks/main.yml

@@ -30,10 +30,8 @@
   - puppetmaster01.gnome.org
   - palette.gnome.org
   - oscp-master01.gnome.org
-  - socket.gnome.org
   - bugzilla.gnome.org
   - bastion.gnome.org
-  - spinner.gnome.org
   - master.gnome.org
   - restaurant.gnome.org
   - expander.gnome.org