git: openjdk/jdk-sandbox: json: Drop circular ref checking for now.

[duke]

Changeset: 4d8d388b
Branch: json
Author:    Justin Lu <justin.lu at oracle.com>
Date:      2025-07-10 14:35:58 +0000
URL:       https://git.openjdk.org/jdk-sandbox/commit/4d8d388b78712e39803068ac1b1c0fb6178459cb

Drop circular ref checking for now.

! src/java.base/share/classes/java/util/json/Json.java
! test/jdk/java/util/json/TestJsonArray.java
! test/jdk/java/util/json/TestJsonObject.java