RFR: 8344059: Remove doPrivileged calls from windows platform sources in the java.desktop module [v5]

[Prasanta Sadhukhan]

> Since JEP 486 : Permanently Disable the Security Manager
> [https://bugs.openjdk.org/browse/JDK-8338625] is now integrated, calls to java.security.AccessController.doPrivileged are obsolete and can be removed. 
> 
> This PR takes care of the windows-platform files in the java.desktop module to have them removed.

Prasanta Sadhukhan has updated the pull request incrementally with one additional commit since the last revision:

  remove missed SuppressWarnings

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/22083/files
  - new: https://git.openjdk.org/jdk/pull/22083/files/e0e705f4..869e7005

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=22083&range=04
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=22083&range=03-04

  Stats: 7 lines in 6 files changed: 0 ins; 7 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/22083.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22083/head:pull/22083

PR: https://git.openjdk.org/jdk/pull/22083