RFR: 8345325: SM cleanup of GetPropertyAction in java.base [v2]

[Roger Riggs]

> Remove sun/security/action/GetPropertyAction.java and all uses.
> 
> Dependent on PR#22418

Roger Riggs has updated the pull request incrementally with two additional commits since the last revision:

 - Remove unused import of Properties
 - Update copyrights
   Remove jdk/sun/security/action/Generify test

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/22497/files
  - new: https://git.openjdk.org/jdk/pull/22497/files/683b008e..d6586f9b

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=22497&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=22497&range=00-01

  Stats: 52 lines in 5 files changed: 0 ins; 49 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/22497.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22497/head:pull/22497

PR: https://git.openjdk.org/jdk/pull/22497