Keep TPM cancellation comment wording

Restore the existing Issue 388 wording in the remaining cancellation comment while keeping the duplicated helper comment removed.

Files changed:

- lib/tpm/TransmissionPolicyManager.cpp

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: bmehta001

lib/tpm/TransmissionPolicyManager.cpp

@@ -513,8 +513,9 @@ namespace MAT_NS_BEGIN {
         }
         bool result = m_scheduledUpload.Cancel(waitTime.count());
 
-        // Cancel may still fail if the task runs past the wait timeout;
-        // stronger task lifetime guarantees are tracked by Issue 388.
+        // TODO: There is a potential for upload tasks to not be canceled, especially if they aren't waited for.
+        //       We either need a stronger guarantee here (could impact SDK performance), or a mechanism to
+        //       ensure those tasks are canceled when the log manager is destroyed. Issue 388
         if (result)
         {
             LOCKGUARD(m_scheduledUploadMutex);