RFR: 8327289: Remove unused PrintMethodFlushingStatistics option

[Sonia Zaldana Calles]

On Tue, 23 Apr 2024 16:00:10 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> Hi all, 
>> 
>> This PR removes the option ```PrintMethodFlushingStatistics```. Last usage was removed in [8290025](https://bugs.openjdk.org/browse/JDK-8290025). 
>> 
>> Testing: 
>> - [x] Verified unrecognized VM option gets reported after patch. 
>> 
>> Thanks, 
>> Sonia
>
> Also nice and trivial if you want to integrate today.  Thank you for finding these.

Hi @coleenp, thanks for the review! 

Just a quick question. @chhagedorn noted in https://github.com/openjdk/jdk/pull/18904 that product flags need a CSR. Would this apply to this flag as well?

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PR Comment: https://git.openjdk.org/jdk/pull/18903#issuecomment-2072821956