Trim two stale comments in the grants and Keto client headers

examples/plugins/auth-admin/admin-grants.ts

@@ -3,8 +3,8 @@
 // resolves a group's grant transitively at login.
 //
 // The set of permissions that *exist* is `ctx.declaredPermissions` — the host's catalog, built from
-// what the installed plugins declare in code. Nothing here invents a name, which is why the old
-// Permissions screen is gone: a grant is a property of a user or a group, edited where they are.
+// what the installed plugins declare in code. Nothing here invents a name: a grant is a property of a
+// user or a group, edited where they are.
 
 import { createHash } from "node:crypto";
 import type { KetoClient, PermissionDecl, RelationTuple, SubjectSet, Translate } from "@plainpages/plugin-api";

src/auth/keto-client.ts

@@ -32,7 +32,7 @@ export interface RelationList {
 
 // Keto's expand tree: a node is a set operation (union/…) or a leaf. The resolved subject
 // (subject_id xor subject_set) rides on `tuple`, not the node itself — verified against Keto
-// v26.2.0. A `subject_set` node carries its members as `children` ("effective access" view).
+// v26.2.0. A `subject_set` node carries its members as `children`.
 export interface ExpandTree {
   children?: ExpandTree[];
   tuple?: RelationTuple;