refactor(admin): remove legacy menu editor

src/features/housekeeping/migration/system.ts

@@ -346,28 +346,6 @@ export const systemMigrationEntries: readonly MigrationEntry[] = [
 		accessibility: "PARTIAL",
 		notes: ["Maintenance changes global login availability and splash content"],
 	}),
-	plannedSystemEntry({
-		surface: "admin",
-		legacyPath: "/admin/menu",
-		sourceFile: "src/app/admin/menu/page.tsx",
-		targetPath: null,
-		decision: "REMOVE",
-		capabilities: {
-			read: [PERMS.SETTINGS_VIEW],
-			mutate: [PERMS.SETTINGS_EDIT],
-		},
-		dependencies: {
-			queries: ["ADMIN_NAV_GROUPS", "siteSettings.get"],
-			mutations: ["saveAdminNavConfig", "siteSettings.update"],
-		},
-		auditRequirement: "PRIVILEGED_MUTATION",
-		localization: "PARTIAL",
-		accessibility: "PARTIAL",
-		requiredTests: ["integration", "e2e"],
-		notes: [
-			"Remove the manual legacy menu editor because foundation manifests own navigation",
-		],
-	}),
 	plannedSystemEntry({
 		surface: "admin",
 		legacyPath: "/admin/permissions",