RFR: 8289381: Fix warnings: The assignment to variable has no effect

[Nir Lisker]

On Fri, 8 Jul 2022 20:11:22 GMT, Andy Goryachev <duke at openjdk.org> wrote:

> trivial change, removed unnecessary code.

Marked as reviewed by nlisker (Reviewer).

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PR: https://git.openjdk.org/jfx/pull/822