<i18n dev> RFR: 8343478: Remove unnecessary @SuppressWarnings annotations (core-libs) [v9]

[Archie Cobbs]

> Please review this patch which removes unnecessary `@SuppressWarnings` annotations.

Archie Cobbs has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 17 commits:

 - Bump copyright year to 2025.
 - Merge branch 'master' into SuppressWarningsCleanup-core-libs
 - Remove more unnecessary suppressions.
 - Merge branch 'master' into SuppressWarningsCleanup-core-libs
 - Remove more unnecessary @SuppressWarnings annotations.
 - Merge branch 'master' into SuppressWarningsCleanup-core-libs
 - Remove more unnecessary warning suppressions.
 - Merge branch 'master' into SuppressWarningsCleanup-core-libs
 - Put back @SuppressWarnings annotations to be fixed by JDK-8343286.
 - Merge branch 'master' into SuppressWarningsCleanup-core-libs
 - ... and 7 more: https://git.openjdk.org/jdk/compare/a77ed30f...40b143c0

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Changes: https://git.openjdk.org/jdk/pull/21852/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21852&range=08
  Stats: 231 lines in 99 files changed: 0 ins; 106 del; 125 mod
  Patch: https://git.openjdk.org/jdk/pull/21852.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21852/head:pull/21852

PR: https://git.openjdk.org/jdk/pull/21852