Simplify statement. #17064

Simplify call to CastToBool in if statement.

Standardizes the statement to the same way it's called previously.

Thanks, however see the section in CONTRIBUTING.MD on refactoring.

Thank you for your contribution. While this stylistic change makes sense on its own, it comes at a cost and risk for the project as a whole. The weak motivation for the change does not justify the burden that it places on the project. A burden could be any of the following:

• Time spent on review
• Accidental introduction of bugs
• (Silent) merge conflicts, either in the branch or a backport branch. Those conflicts demand further developer and reviewer time or introduce bugs.

For more information about refactoring changes and stylistic cleanup, see

• https://github.com/bitcoin/bitcoin/blob/master/CONTRIBUTING.md#refactoring
• https://github.com/bitcoin/bitcoin/blob/master/.github/PULL_REQUEST_TEMPLATE.md
• #15465

Generally, if the style is not mentioned nor enforced by the developer notes, we leave it up to the original author to pick whatever fits them best personally and then leave it that way until the line is touched for other reasons.

Let me know if you have any questions.

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