[codex] Remove invalid OIDC scopes from example integration (#126)

* fix example integration OAuth scopes

* fix OIDC email claim wording

Author: basit3407

docs/tutorials/oidc/example-integration.mdx

@@ -31,7 +31,7 @@ BASE_PATH=http://localhost:3000
 TOKEN_HOST=https://oauth2.quran.foundation
 CLIENT_ID=your_client_id
 CLIENT_SECRET=your_client_secret
-SCOPES=openid offline_access profile email bookmark collection user
+SCOPES=openid offline_access bookmark collection user
 SESSION_SECRET=your_random_session_secret
 NODE_ENV=development
 ```

docs/tutorials/oidc/getting-started-with-oauth2.mdx

@@ -200,7 +200,7 @@ cursor.execute("""
 | ID Token Claim | Description                             | Use For                                |
 | -------------- | --------------------------------------- | -------------------------------------- |
 | `sub`          | Unique user ID (stable, never changes)  | **Primary key** for linking to your DB |
-| `email`        | User's email (if `email` scope granted) | Display, notifications                 |
+| `email`        | User's email (when available)           | Display, notifications                 |
 | `first_name`   | User's first name                       | Personalization                        |
 | `last_name`    | User's last name                        | Personalization, display               |