Before this commit, mail_bot was an auto install module. However it is quite disruptive during the onboarding. Moreover it is not doing what is expected from users. We therefore set it as not auto install, to avoid having it installed by default in too many onboarding. Task ID 2252752 PR #51300 closes odoo/odoo#51897 X-original-commit: ed8cbae3485b6409603e91294d7f6535f3a5e45d Signed-off-by: Thibault Delavallee (tde) <tde@openerp.com>