<i18n dev> RFR: 8344782: Cleanup left over doPrivileged calls and imports in java.desktop

[Phil Race]

Some clean up of left overs

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Commit messages:
 - 8344782

Changes: https://git.openjdk.org/jdk/pull/22306/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=22306&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8344782
  Stats: 20 lines in 7 files changed: 0 ins; 19 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/22306.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22306/head:pull/22306

PR: https://git.openjdk.org/jdk/pull/22306