newTracing: remove obsolete tracers for node 10.6.0

Author: johnalotoski

cardano-lib/generic-log-config.nix

@@ -93,14 +93,10 @@
     "Mempool".severity = "Info";
     "Net.ConnectionManager.Remote.ConnectionManagerCounters".severity = "Silence";
     "Net.ConnectionManager.Remote".severity = "Info";
-    "Net.ErrorPolicy.Local".severity = "Info";
-    "Net.ErrorPolicy".severity = "Info";
     "Net.InboundGovernor.Remote".severity = "Info";
     "Net.InboundGovernor".severity = "Warning";
     "Net.Mux.Remote".severity = "Info";
     "Net.PeerSelection".severity = "Silence";
-    "Net.Subscription.DNS".severity = "Info";
-    "Net.Subscription.IP".severity = "Info";
     "Resources".severity = "Silence";
     "Startup.DiffusionInit".severity = "Info";
 
@@ -119,8 +115,6 @@
     # severity is switched away from silence.
     "ChainDB.LedgerEvent.Forker".severity = "Silence";
     "Mempool.AttemptAdd".severity = "Silence";
-    "Mempool.LedgerFound".severity = "Silence";
-    "Mempool.LedgerNotFound".severity = "Silence";
     "Mempool.SyncNotNeeded".severity = "Silence";
 
     # Enable this to investigate transaction validation errors.