RFR: 8373449: Parallel: Obsolete deprecated PSChunkLargeArrays [v2]

[Albert Mingkun Yang]

> Obsolete a deprecated jvm flag. Its default value is `true`.
> 
> Test: tier1-3

Albert Mingkun Yang has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains two commits:

 - merge
 - pgc-obsolete-array-chunk

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Changes: https://git.openjdk.org/jdk/pull/28754/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=28754&range=01
  Stats: 10 lines in 3 files changed: 2 ins; 6 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/28754.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28754/head:pull/28754

PR: https://git.openjdk.org/jdk/pull/28754