<i18n dev> [jdk21] RFR: 8311183: Remove unused mapping test files

[Lance Andersen]

On Thu, 6 Jul 2023 00:30:14 GMT, Naoto Sato <naoto at openjdk.org> wrote:

> Hi all,
> 
> This pull request contains a backport of commit [d072c40f](https://github.com/openjdk/jdk/commit/d072c40ff175c653802796673baef47e24038891) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.
> 
> The commit being backported was authored by Naoto Sato on 5 Jul 2023 and was reviewed by Lance Andersen and Brian Burkhalter.
> 
> Thanks!

Marked as reviewed by lancea (Reviewer).

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PR Review: https://git.openjdk.org/jdk21/pull/98#pullrequestreview-1517069942