Remove unused config age metric
@@ -56,7 +56,6 @@ public class VespaMetricSet {
metrics.add(new Metric("slobrok.heartbeats.failed.count"));
metrics.add(new Metric("logd.processed.lines.count"));
metrics.add(new Metric("worker.connections.max"));
- metrics.add(new Metric("routing.config.is-stale"));
metrics.add(new Metric("endpoint.certificate.expiry.seconds"));
// Java (JRT) TLS metrics
