RFR: 8328700: Unused import and variable should be deleted in regex package

[Naoto Sato]

On Fri, 22 Mar 2024 17:58:25 GMT, Raffaello Giulietti <rgiulietti at openjdk.org> wrote:

> Make use of an unused local variable probably intended to replace later casts.

Marked as reviewed by naoto (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/18460#pullrequestreview-1955528280