osmo-hlr.cfg: Don't enable DEBUG logging by default

This is not a setting that normal users should use in production.

Change-Id: I6594fb083cad70ec596af872d85f805897b29644
diff --git a/tests/test_nodes.vty b/tests/test_nodes.vty
index d499962..8857860 100644
--- a/tests/test_nodes.vty
+++ b/tests/test_nodes.vty
@@ -107,7 +107,7 @@
   logging print category 1
   logging print extended-timestamp 1
   logging print file 1
-  logging level all debug
+  logging level all notice
   logging level main notice
   logging level db notice
   logging level auc notice