RFR: 8356394: Remove USE_LIBRARY_BASED_TLS_ONLY macro

Wed May 7 14:56:01 UTC 2025

The macro USE_LIBRARY_BASED_TLS_ONLY played a role on AIX and some mobile platforms a while ago but currently it seems to be not needed any more, so it can be removed.
See the discussion here
https://mail.openjdk.org/pipermail/mobile-dev/2025-May/000946.html

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Commit messages:
 - JDK-8356394

Changes: https://git.openjdk.org/jdk/pull/25099/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=25099&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8356394
  Stats: 21 lines in 3 files changed: 0 ins; 20 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/25099.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25099/head:pull/25099

PR: https://git.openjdk.org/jdk/pull/25099