Fix: Remove unused test code on tools panel.

[jorgefilipecosta]

The code after "false &&" is not used at all and can be removed. It is also not required for the test to make sense either.

[github-actions]

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Co-authored-by: jorgefilipecosta <[email protected]>
Co-authored-by: Mamaduka <[email protected]>

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[github-actions]

Flaky tests detected in 87f7ce7.
Some tests passed with failed attempts. The failures may not be related to this commit but are still reported for visibility. See the documentation for more information.

🔍 Workflow run URL: https://github.com/WordPress/gutenberg/actions/runs/12164476341
📝 Reported issues:

• [Flaky Test] submenu click on the arrow interactions #61884 in /test/e2e/specs/editor/blocks/navigation-frontend-interactivity.spec.js