l10n_latam_country_code field is no more needed for account.move
object thanks to commit 7edb5c11
Also, since country_code field has been defined in view_move_form,
no need to redefine it when it is inherited in l10n_cn module.
closes odoo/odoo#48719
Task: 2228210
Signed-off-by: Josse Colpaert <jco@openerp.com>