docs(comments): strip internal task/milestone/bundle bookkeeping from code comments

Remove project bookkeeping citations from shipped code comments across the
solution: hyphenated task IDs (WP-14, StoreAndForward-025), milestone/task/
issue refs (M3, Task 4, Audit Log #23, #21), Bundle X task-bundle labels,
and C/D/K/S/T phase labels.

Comment text only — no code logic, string/log literals, or XML-doc structure
changed. Genuine descriptions are preserved (only the citation is stripped),
and technical lookalikes are retained (UTF-8, SHA-256, T00:00:00, M365,
UTC-5, pre-C4/pre-C5 schema versions). Flagged by the new CommentChecker
TaskReferenceInComment / TrackingReferenceInComment checks plus targeted
grep passes; full solution builds clean, append-only guard tests pass.

src/ZB.MOM.WW.ScadaBridge.AuditLog/Central/SiteAuditTelemetryStalledTracker.cs

@@ -5,10 +5,10 @@ using Akka.Event;
 namespace ZB.MOM.WW.ScadaBridge.AuditLog.Central;
 
 /// <summary>
-/// Audit Log (#23) M6 Bundle E (T7) — central singleton that subscribes to the
+/// Central singleton that subscribes to the
 /// actor system's EventStream for <see cref="SiteAuditTelemetryStalledChanged"/>
 /// publications and maintains a per-site latched stalled-state map readable
-/// via <see cref="Snapshot"/>. Consumed by the M6 Bundle E
+/// via <see cref="Snapshot"/>. Consumed by the
 /// <see cref="AuditCentralHealthSnapshot"/> aggregator so the central health
 /// surface can surface per-site "reconciliation isn't draining" without
 /// coupling the publisher (<see cref="SiteAuditReconciliationActor"/>) to the