bundles/voc-loudness-monitor: no need to start the loudness units on every run

bundles/voc-loudness-monitor/items.py

@@ -71,4 +71,8 @@ for stream_id, config in streams.items():
             'file:/etc/systemd/system/loudness_{}.service'.format(stream_id),
             'action:systemd-reload',
         },
+        # These units are designed to fail if the assigned stream fails. No need
+        # to restart them on every bw run.
+        # Downside of this: services must be started once they are applied.
+        'running': None,
     }