[jdk20] RFR: 8300055: [BACKOUT] OPEN_MAX is no longer the max limit on macOS >= 10.6 for RLIMIT_NOFILE

Thu Jan 12 21:00:21 UTC 2023

This is a **backout** of [JDK-8291060 OPEN_MAX is no longer the max limit on macOS >= 10.6 for RLIMIT_NOFILE](https://bugs.openjdk.org/browse/JDK-8291060) which triggered a bug in ksh, resulting in a crash.

Verified with test case from https://bugs.openjdk.org/browse/JDK-8299258 and currently running Mach5 hs-tier1,2,3,4,5.

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Commit messages:
 - BACKOUT JDK-8291060

Changes: https://git.openjdk.org/jdk20/pull/102/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk20&pr=102&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8300055
  Stats: 11 lines in 1 file changed: 0 ins; 3 del; 8 mod
  Patch: https://git.openjdk.org/jdk20/pull/102.diff
  Fetch: git fetch https://git.openjdk.org/jdk20 pull/102/head:pull/102

PR: https://git.openjdk.org/jdk20/pull/102