RFR: 8288287: Remove expired flags in JDK 21

[Robbin Ehn]

On Fri, 9 Dec 2022 03:06:49 GMT, David Holmes <dholmes at openjdk.org> wrote:

> It is that time of the release again. :)
> 
> The VM option flags that expire in JDK 21 are removed from the flags table.
> 
> The java manpage is updated in relation to the obsoleted and expired/removed  options.
> 
> Testing: tiers 1-3 sanity testing
> 
> Thanks.

Thank you!

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Marked as reviewed by rehn (Reviewer).

PR: https://git.openjdk.org/jdk/pull/11603