RFR: 8344659: Some uses of GetPropertyAction were not removed from java.io and java.nio [v2]

[Brian Burkhalter]

> Remove some occurrences of `GetPropertyAction` overlooked in #22219 and #22132.

Brian Burkhalter has updated the pull request incrementally with one additional commit since the last revision:

  8344659: System.getProperty("sun.jnu.encoding") -> StaticProperty.jnuEncoding()

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Changes:
  - all: https://git.openjdk.org/jdk/pull/22285/files
  - new: https://git.openjdk.org/jdk/pull/22285/files/cbd5232b..791663e3

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=22285&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=22285&range=00-01

  Stats: 2 lines in 1 file changed: 1 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/22285.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22285/head:pull/22285

PR: https://git.openjdk.org/jdk/pull/22285