[jdk17u-dev] RFR: 8372977: Unnecessary gthread-2.0 loading [v2]

[Goetz Lindenmaier]

> I backport this for parity with 17.0.19-oracle.

Goetz Lindenmaier has updated the pull request incrementally with one additional commit since the last revision:

  Undo .h changes to fix the build. Makes it clean backport form 21.

-------------

Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/4212/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/4212/files/fd9db1d5..62c7e13b

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=4212&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=4212&range=00-01

  Stats: 6 lines in 1 file changed: 6 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/4212.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/4212/head:pull/4212

PR: https://git.openjdk.org/jdk17u-dev/pull/4212