chore(spec): regenerate unknown-key strictness-ledger counts for the contributes retirements (#10724, #11169)

gen:strictness-ledger — kernel/ non-strict accepted-key count 296 -> 288: the
nine tombstoned contributes members and kinds[].globs leave the accept set.
Caught by scripts/strictness-ledger-doc.test.ts on the full spec suite run.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01K93P8PbH7kVjsAXkqzH1zY

Author: claude

docs/audits/2026-07-unknown-key-strictness-ledger.counts.md

@@ -261,7 +261,7 @@ directory rather than per file.
 | `cloud/` | 83 |
 | `identity/` | 32 |
 | `integration/` | 10 |
-| `kernel/` | 296 |
+| `kernel/` | 288 |
 | `qa/` | 6 |
 | `shared/` | 20 |
 | `system/` | 360 |