This pull request removes a function within the Odoo Enterprise module that was identified as unused. This cleanup simplifies the codebase and reduces potential maintenance overhead. The change has a low impact on business operations.

This function is not used anywhere.

This update removes the 'im_status' field from partner records, which was previously used to track user online/offline presence. This change logically aligns the tracking of user status with the user model itself. It also removes the 'bot' IM status, streamlining data management.

Community PR: https://github.com/odoo/odoo/pull/248168
Upgrade PR: https://github.com/odoo/upgrade/pull/9861

This commit removes the im_status field from python's partner model. The concept of IM status belongs logically to the user model since it's about users's online/offline presence.
This commit also removes the "bot" IM status.