git: openjdk/jdk-sandbox: json: Removed duplicated codeUnit() in JsonStringImpl

[duke]

Changeset: 1788235b
Branch: json
Author:    Naoto Sato <naoto.sato at oracle.com>
Date:      2025-04-25 14:54:09 +0000
URL:       https://git.openjdk.org/jdk-sandbox/commit/1788235bdc13e5fbf56325e1938ec30729c0c1f0

Removed duplicated codeUnit() in JsonStringImpl

! src/java.base/share/classes/java/util/json/JsonParser.java
! src/java.base/share/classes/java/util/json/JsonStringImpl.java