RFR: 8324578: [BACKOUT] [IMPROVE] OPEN_MAX is no longer the max limit on macOS >= 10.6 for RLIMIT_NOFILE

[David Holmes]

This reverts commit 3d8236367d695976946d267ee62f4a26879731ac.

Thanks.

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Commit messages:
 - Revert "8300088: [IMPROVE] OPEN_MAX is no longer the max limit on macOS >= 10.6 for RLIMIT_NOFILE"

Changes: https://git.openjdk.org/jdk/pull/17546/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=17546&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8324578
  Stats: 29 lines in 1 file changed: 0 ins; 9 del; 20 mod
  Patch: https://git.openjdk.org/jdk/pull/17546.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/17546/head:pull/17546

PR: https://git.openjdk.org/jdk/pull/17546