RFR: 8357081: Removed unused methods of HexDigits

[Shaojin Wen]

On Thu, 15 May 2025 22:03:22 GMT, Shaojin Wen <swen at openjdk.org> wrote:

> In HexDigits, getCharsLatin1 and getCharsUTF16 are no longer used, so remove these methods

The getCharsLatin1/getCharsUTF16 methods of HexDigits may be used in j.u.Formatter/HexFormat in the future. For this reason, should we keep them? @cl4es

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PR Comment: https://git.openjdk.org/jdk/pull/25258#issuecomment-2891047804