RFR: 8376433: Remove AppContext from Swing Windows L&F implementation [v2]

[Phil Race]

> Remove AppContext from the Windows L&F implementation

Phil Race has updated the pull request incrementally with one additional commit since the last revision:

  8376433

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Changes:
  - all: https://git.openjdk.org/jdk/pull/29440/files
  - new: https://git.openjdk.org/jdk/pull/29440/files/fe0d424c..90b41e6d

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=29440&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=29440&range=00-01

  Stats: 6 lines in 6 files changed: 0 ins; 0 del; 6 mod
  Patch: https://git.openjdk.org/jdk/pull/29440.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/29440/head:pull/29440

PR: https://git.openjdk.org/jdk/pull/29440