fixup! Remove the old ("deterministic") download schedule.

oops, fix the bug number.

changes/refactor23814

@@ -1,4 +1,4 @@
   o Code simplification and refactoring:
     - Remove the old (deterministic) directory retry logic entirely:
       We've used exponential backoff exclusively for some time.
-      Closes ticket 24814
+      Closes ticket 23814.