<i18n dev> RFR: 8312521: Unused field LocaleProviderAdapter#defaultLocaleProviderAdapter could be removed

[Naoto Sato]

On Tue, 22 Aug 2023 12:22:54 GMT, Andrey Turbanov <aturbanov at openjdk.org> wrote:

> After [JDK-8245241](https://bugs.openjdk.org/browse/JDK-8245241), the field `sun.util.locale.provider.LocaleProviderAdapter#defaultLocaleProviderAdapter` is only written in `<clinit>` and then is not used after.
> We can remove it.

Thanks for cleaning the leftovers. Looks good.

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Marked as reviewed by naoto (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/15388#pullrequestreview-1600838247