Updated TOC

Author: sreeram-venkitesh

keps/sig-node/4818-allow-zero-value-for-sleep-action-of-prestop-hook/README.md

@@ -79,7 +79,6 @@ tags, and then generate with `hack/update-toc.sh`.
 - [Proposal](#proposal)
   - [User Stories (Optional)](#user-stories-optional)
     - [Story 1](#story-1)
-    - [Story 2](#story-2)
   - [Notes/Constraints/Caveats (Optional)](#notesconstraintscaveats-optional)
   - [Risks and Mitigations](#risks-and-mitigations)
 - [Design Details](#design-details)