RFR: 8357226: Remove unnecessary List.indexOf from RepaintManager.removeInvalidComponent

[Alexey Ivanov]

On Mon, 7 Jul 2025 12:21:23 GMT, Andrey Turbanov <aturbanov at openjdk.org> wrote:

>> Then it's better to use "==" in all cases, what do you think?
>
> Filled [JDK-8361493](https://bugs.openjdk.org/browse/JDK-8361493)

Thank you, Andrey.

P.S. The link is broken, it doesn't lead to the JBS issue.

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PR Review Comment: https://git.openjdk.org/jdk/pull/24845#discussion_r2189970911