git: openjdk/jdk-sandbox: json: Further cleanup

[duke]

Changeset: fec2506b
Branch: json
Author:    Naoto Sato <naoto.sato at oracle.com>
Date:      2025-04-01 15:18:50 +0000
URL:       https://git.openjdk.org/jdk-sandbox/commit/fec2506bb1911512a877164a8b63cf7bd965788c

Further cleanup

! src/java.base/share/classes/java/util/json/JsonNumberImpl.java