RFR: 8309981: Remove expired flags in JDK 23

[Alan Bateman]

On Thu, 14 Dec 2023 12:38:48 GMT, David Holmes <dholmes at openjdk.org> wrote:

> All expired flags are removed from the flags table.
> 
> The two documented flags have their documentation moved from the obsolete section to the removed section.
> 
> The link to JDK 22 removed flags is added to the list.
> 
> Thanks.

Marked as reviewed by alanb (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/17107#pullrequestreview-1782197847