RFR: 8345000: Remove last mentions of sun.awt.AWTPermissions

[Phil Race]

small pr to remove what little of is left AWTPermissions

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Commit messages:
 - 8345000

Changes: https://git.openjdk.org/jdk/pull/22375/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=22375&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8345000
  Stats: 40 lines in 3 files changed: 0 ins; 40 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/22375.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22375/head:pull/22375

PR: https://git.openjdk.org/jdk/pull/22375