This update removes outdated setup logic and hidden settings that are no longer needed because Field Service projects are now billable by default. The change helps keep the system simpler and reduces the chance of inconsistent project configuration behind the scenes.

Related to the community PR: https://github.com/odoo/odoo/pull/215114 We remove some unused code about the 'partner_id' blacklist fields, and remove some context keys as we make the projects billable by default now.

task-4700746