RFR: 8268573: Remove expired flags in JDK 19

[David Holmes]

On Thu, 16 Dec 2021 07:11:07 GMT, Erik Österlund <eosterlund at openjdk.org> wrote:

>> Please review this simple change to remove all the flags that expired in JDK 19 from the flag table in arguments.cpp.
>> 
>> The java manpage is also updated as the UseBiasedLocking flag is moved from the "obsoleted" section, to the "removed" section. Plus we update the list of previous release docs.
>> 
>> Testing: local - all the runtime/CommandLine tests
>> 
>> Thanks,
>> David
>
> Looks good. Ship it!

Thanks @fisk !

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PR: https://git.openjdk.java.net/jdk/pull/6819