[jdk17u-dev] RFR: 8306031: Update IANA Language Subtag Registry to Version 2023-04-13 [v2]

[Goetz Lindenmaier]

> I backport this for parity with 17.0.12-oracle.
> 
> Resolved Copyright and file location. 
> 
> I had to remove some modern Java constructs not supported by 11.

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

  Fix build

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

Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/2364/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/2364/files/83ef66a2..d1a1467c

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2364&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2364&range=00-01

  Stats: 3 lines in 1 file changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/2364.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/2364/head:pull/2364

PR: https://git.openjdk.org/jdk17u-dev/pull/2364