nodeTracers: remove obsolete UTXO-HD tracers

Author: johnalotoski

cardano-lib/generic-log-config.nix

@@ -119,10 +119,8 @@
     # severity is switched away from silence.
     "ChainDB.LedgerEvent.Forker".severity = "Silence";
     "Mempool.AttemptAdd".severity = "Silence";
-    "Mempool.AttemptingSync".severity = "Silence";
     "Mempool.LedgerFound".severity = "Silence";
     "Mempool.LedgerNotFound".severity = "Silence";
-    "Mempool.SyncDone".severity = "Silence";
     "Mempool.SyncNotNeeded".severity = "Silence";
 
     # Enable this to investigate transaction validation errors.

cardano-lib/testnet-template/config.json

@@ -88,18 +88,12 @@
     "Mempool.AttemptAdd": {
       "severity": "Silence"
     },
-    "Mempool.AttemptingSync": {
-      "severity": "Silence"
-    },
     "Mempool.LedgerFound": {
       "severity": "Silence"
     },
     "Mempool.LedgerNotFound": {
       "severity": "Silence"
     },
-    "Mempool.SyncDone": {
-      "severity": "Silence"
-    },
     "Mempool.SyncNotNeeded": {
       "severity": "Silence"
     },