chore(mollifier): drop drive-by enqueueSystem comment change

The enqueueSystem.ts comment touch-up was an unrelated drive-by during
phase-1 review and doesn't belong in this PR. Will land separately.

Author: d-cs

internal-packages/run-engine/src/engine/systems/enqueueSystem.ts

@@ -88,11 +88,8 @@ export class EnqueueSystem {
 
       const timestamp = (run.queueTimestamp ?? run.createdAt).getTime() - run.priorityMs;
 
-      // Include TTL only when explicitly requested. Callers pass `includeTtl: true`
-      // on the first enqueue that puts the run into the run queue — the initial
-      // trigger path, the delayed run release, and the pending-version release.
-      // Waitpoint/checkpoint re-enqueues must NOT pass it: the run has already
-      // started, so the queued-but-never-started TTL no longer applies.
+      // Include TTL only when explicitly requested (first enqueue from trigger).
+      // Re-enqueues (waitpoint, checkpoint, delayed, pending version) must not add TTL.
       let ttlExpiresAt: number | undefined;
       if (includeTtl && run.ttl) {
         const expireAt = parseNaturalLanguageDuration(run.ttl);