home.r630: exclude from backups

nodes/home.r630.toml

@@ -4,11 +4,7 @@ bundles = ["docker-engine", "nginx", "redis"]
 
 [metadata]
 icinga_options.exclude_from_monitoring = true
-
-[metadata.docker-engine.config]
-# this is a dev machine, it's fine if docker does shenanigans with
-# iptables
-iptables = true
+backups.exclude_from_backups = true
 
 [metadata.interfaces.eno3]
 ips = [