RFR: 8267364: Remove mask.incr which is introduced by JDK-8256973

[Vladimir Ivanov]

On Wed, 19 May 2021 07:32:45 GMT, Jie Fu <jiefu at openjdk.org> wrote:

> Hi all,
> 
> Please review the trivial change which removes the useless mask.incr.
> 
> Thanks.
> Best regards,
> Jie

Looks good and trivial.

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Marked as reviewed by vlivanov (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/4107