This update removes an outdated internal cleanup step from Odoo Studio because the related component no longer exists in the underlying platform. It helps keep Studio aligned with the main Odoo codebase and reduces the risk of maintenance issues, with no expected visible change for users.

This commit removes call to cleanDomFromBootstrap as it is removed in community.

task id: 3439226

This change removes unused code from the self-order preparation display area, making the related restaurant order workflow easier to maintain. It should not change day-to-day behavior for users, but helps reduce future maintenance risk.

Remove useless code