<i18n dev> RFR: 8166983: Remove old/legacy unused tzdata files

[Iris Clark]

On Tue, 7 Jan 2025 18:27:31 GMT, Naoto Sato <naoto at openjdk.org> wrote:

> Long overdue cleanup, especially the old `javazic` tool, which has been maintenance burden for some time.

Thanks for taking care of this long-overdue removal!

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Marked as reviewed by iris (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/22955#pullrequestreview-2535116465