Odoo removed an unused access-control setting from field definitions in the base module. This simplifies the system by eliminating a setting that was empty for standard fields and ineffective for custom fields, with minimal business impact.

The field is empty on regular fields, and is not effective on custom fields.

task-2410245

This change removes an obsolete field from the core Base module that was no longer used. It simplifies internal maintenance without expected changes for everyday users or business workflows.

Remove the unused field. CLEANME TODO

odoo/enterprise#72909
odoo/upgrade#6669
task-2410245

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An obsolete internal field related to model access groups was removed from the Studio export process. This cleanup reduces maintenance overhead without changing day-to-day functionality for users.

odoo/odoo#185501
task-2410245