RFR: 8343467: Remove unnecessary @SuppressWarnings annotations (security) [v6]

[Archie Cobbs]

> 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:

  Remove another unnecessary warning suppression.

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/21844/files
  - new: https://git.openjdk.org/jdk/pull/21844/files/2c01fe02..f35bfb4a

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=21844&range=05
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=21844&range=04-05

  Stats: 1 line in 1 file changed: 0 ins; 1 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/21844.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21844/head:pull/21844

PR: https://git.openjdk.org/jdk/pull/21844