Scope update from repo-scoping refactor

SCOPE.md

@@ -26,7 +26,7 @@ Railiance is structured as five independent repos, one per OAS (Open Application
 
 ---
 
-## Out of Scope (per ADR-003)
+## Out of Scope
 
 - OS-level concerns → railiance-infra (S1)
 - Kubernetes runtime → railiance-cluster (S2)
@@ -75,7 +75,7 @@ Railiance is structured as five independent repos, one per OAS (Open Application
 
 ---
 
-## Related / Overlapping Repositories
+## Related / Overlapping
 
 - `railiance-platform` (S3) — provides database, cache, identity services consumed by S5 apps
 - `railiance-enablement` (S4) — provides CI/CD and templates that S5 uses