Integrated: Remove unnecessary checks identified by reviewer

[Kelvin Nilsen]

On Fri, 24 Jun 2022 19:38:33 GMT, Kelvin Nilsen <kdnilsen at openjdk.org> wrote:

> A previous pull request was integrated before all of the reviewer
> comments had been addressed.  This commit addresses the lingering
> request.

This pull request has now been integrated.

Changeset: 0fefe704
Author:    Kelvin Nilsen <kdnilsen at openjdk.org>
URL:       https://git.openjdk.org/shenandoah/commit/0fefe704c854f0273935a74b2bb72a50b8a716a4
Stats:     37 lines in 1 file changed: 0 ins; 8 del; 29 mod

Remove unnecessary checks identified by reviewer

Reviewed-by: wkemper

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PR: https://git.openjdk.org/shenandoah/pull/146