[IMP] account: refactor account types

Task: 2856281

- Remove user_type_id, account.account.type model, internal_type
- Add account_type that is a simple selection field
- Move internal_group and include_initial_balance to account.account
- Because of these changes, type_control_ids on account.journal is also removed

closes odoo/odoo#93212

Related: odoo/documentation#2223
Related: odoo/upgrade#3595
Related: odoo/enterprise#28205
Signed-off-by: Cedric Snauwaert <csn@odoo.com>