Integrated: 8344041: Re-enable external specs page

[Hannes Wallnöfer]

On Tue, 19 Nov 2024 15:45:18 GMT, Hannes Wallnöfer <hannesw at openjdk.org> wrote:

> Please review a change to enable the External Specifications page in API docs. The page was disabled because of missing `@spec` tags in OpenJDK sources. This is a straightforward undo of of #13127 / [JDK-8304689], which means the hidden ad-hoc `--no-external-specs-page` option is also removed.
> 
> [JDK-8304689]: https://bugs.openjdk.org/browse/JDK-8304689
> 
> [This is what the External Specifications page looks like.](https://cr.openjdk.org/~hannesw/8344041/api.00/external-specs.html)

This pull request has now been integrated.

Changeset: ac2fede1
Author:    Hannes Wallnöfer <hannesw at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/ac2fede165e0ecbfa51f5cc75a3218c51e3528be
Stats:     47 lines in 4 files changed: 0 ins; 42 del; 5 mod

8344041: Re-enable external specs page

Reviewed-by: erikj, nbenalla, liach

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PR: https://git.openjdk.org/jdk/pull/22240