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

Thu Jan 12 17:39:57 UTC 2023

This is a **backout** (using `git revert`) 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/jdk/pull/11974/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=11974&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/jdk/pull/11974.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/11974/head:pull/11974

PR: https://git.openjdk.org/jdk/pull/11974