[REF] payment(_*): compute feature fields

Computing the fields instead of storing them allows to implement the
feature for each provider more easily, without needing a migration
script.

task-2841744

closes odoo/odoo#91961

Related: odoo/enterprise#27618
Related: odoo/upgrade#3535
Signed-off-by: Antoine Vandevenne (anv) <anv@odoo.com>