RFR: 8343478: Remove unnecessary @SuppressWarnings annotations (core-libs) [v11]

[pcoperatr]

On Thu, 2 Jan 2025 21:11:04 GMT, Archie Cobbs <acobbs at openjdk.org> wrote:

>> Please review this patch which removes unnecessary `@SuppressWarnings` annotations.
>
> Archie Cobbs has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Update @LastModified tags.

Marked as reviewed by pcoperatr at github.com (no known OpenJDK username).

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PR Review: https://git.openjdk.org/jdk/pull/21852#pullrequestreview-2528555278