remove TTD monitoring

[tersec]

Supercedes #4249

Only part of that not carried over is

diff --git a/scripts/launch_local_testnet.sh b/scripts/launch_local_testnet.sh
index a5a66da7..8678d726 100755
--- a/scripts/launch_local_testnet.sh
+++ b/scripts/launch_local_testnet.sh
@@ -994,6 +994,7 @@ for NUM_NODE in $(seq 0 $(( NUM_NODES - 1 ))); do
     --keymanager-token-file="${DATA_DIR}/keymanager-token" \
     --rest-port="$(( BASE_REST_PORT + NUM_NODE ))" \
     --metrics-port="$(( BASE_METRICS_PORT + NUM_NODE ))" \
+    --merge-at-epoch-debug-internal=2 \
     ${EXTRA_ARGS} \
     &> "${DATA_DIR}/log${NUM_NODE}.txt" &

because it didn't work unless there's a real EL present

[github-actions]

Unit Test Results

         9 files  ±0    1 050 suites  ±0   33m 37s ⏱️ + 2m 5s
  3 512 tests ±0    3 275 ✔️ ±0  237 💤 ±0  0 ❌ ±0 
15 269 runs  ±0  15 004 ✔️ ±0  265 💤 ±0  0 ❌ ±0 

Results for commit 258aa95. ± Comparison against base commit 87a34bf.

♻️ This comment has been updated with latest results.