chore: update comment on transient nullification (#7001)

This is just an outdated comment that needed updating.

noir-projects/aztec-nr/aztec/src/note/lifecycle.nr

@@ -64,11 +64,12 @@ pub fn destroy_note<Note, N, M>(
 
     // We also need the note hash corresponding to the "nullifier"
     let header = note.get_header();
-    // `consumed_note_hash` is used to inform the kernel which pending note hash
-    // the nullifier corresponds to so they can be matched and both squashed/deleted.
-    // nonzero nonce implies "persistable" nullifier (nullifies a persistent/in-tree
-    // note hash) in which case `consumed_note_hash` is not used since the kernel
-    // just siloes and forwards the nullifier to its output.
+
+    // A non-zero note hash counter implies that we're nullifying a transient note (i.e. one that has not yet been
+    // persisted in the trees and is instead if the pending new commitments array). In such a case we compute its hash 
+    // to inform the kernel which note we're nullifyng so that it can find it and squash both the note and the 
+    // nullifier. This value is unused when nullifying non transient notes - in that case the kernel simply persists
+    // the nullifier in the tree.
     if (header.note_hash_counter != 0) {
         // TODO(1718): Can we reuse the note hash computed in `compute_nullifier`?
         consumed_note_hash = compute_note_hash_for_consumption(note);

scripts/earthly-ci

@@ -51,11 +51,12 @@ while [ $ATTEMPT_COUNT -lt $MAX_ATTEMPTS ]; do
     elif grep 'The container name "/earthly-buildkitd" is already in use by container' $OUTPUT_FILE >/dev/null; then
       echo "Detected earthly bootstrap happening in parallel and failing, waiting and trying again."
       sleep 20
-    elif grep 'status 125: docker: Error response from daemon: layer does not exist.' $OUTPUT_FILE >/dev/null; then
+    elif grep 'status 125: docker: Error response from daemon: layer does not exist.' $OUTPUT_FILE >/dev/null || grep 'could not determine buildkit address - is Docker or Podman running?' $OUTPUT_FILE >/dev/null ; then
       echo "Detected corrupted docker images. Wiping and trying again."
       # Based on https://stackoverflow.com/a/75849307
       # wipe everything but volumes where we have earthly cache
-      sudo rm -rf /var/lib/docker/{buildkit,containers,image,network,overlay2,plugins.runtimes,swarm,tmp,trust}/*
+      sudo service docker stop
+      sudo bash -c 'rm -rf /var/lib/docker/{buildkit,containers,image,network,overlay2,plugins.runtimes,swarm,tmp,trust}/*'
       # restart docker - might take down builds, but we need to recover anyway
       sudo service docker restart
       # wait for other docker restarts