RFR: 8290333: Remove os_share_*.hpp [v2]

[Ioi Lam]

On Fri, 15 Jul 2022 06:05:16 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> Ioi Lam has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   improved comments
>
> Looks fine and trivial.
> 
> Thanks.

Thanks to @dholmes-ora and @DamonFool for the review.

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PR: https://git.openjdk.org/jdk/pull/9506