[IMP] l10n_co: remove unused field

Followup of 
https://github.com/odoo/odoo/commit/b44f559fe7577afdaa83511bdf0b6ca47ffeb8b7

closes odoo/odoo#50862

Related: odoo/upgrade#1164
Signed-off-by: oco-odoo <oco-odoo@users.noreply.github.com>

addons/l10n_co/models/res_partner.py

@@ -17,36 +17,6 @@ class ResPartner(models.Model):
                                               ('civil_registration', 'Registro Civil'),
                                               ('national_citizen_id', 'Cédula de ciudadanía')], string='Document Type',
                                              help='Indicates to what document the information in here belongs to.')
-    l10n_co_verification_code = fields.Char(compute='_compute_verification_code', string='VC',  # todo remove this field in master
-                                            help='Redundancy check to verify the vat number has been typed in correctly.')
-
-    @api.depends('vat')
-    def _compute_verification_code(self):
-        multiplication_factors = [71, 67, 59, 53, 47, 43, 41, 37, 29, 23, 19, 17, 13, 7, 3]
-
-        for partner in self:
-            if partner.vat and partner.country_id == self.env.ref('base.co') and len(partner.vat) <= len(multiplication_factors):
-                number = 0
-                padded_vat = partner.vat
-
-                while len(padded_vat) < len(multiplication_factors):
-                    padded_vat = '0' + padded_vat
-
-                # if there is a single non-integer in vat the verification code should be False
-                try:
-                    for index, vat_number in enumerate(padded_vat):
-                        number += int(vat_number) * multiplication_factors[index]
-
-                    number %= 11
-
-                    if number < 2:
-                        partner.l10n_co_verification_code = number
-                    else:
-                        partner.l10n_co_verification_code = 11 - number
-                except ValueError:
-                    partner.l10n_co_verification_code = False
-            else:
-                partner.l10n_co_verification_code = False
 
     @api.constrains('vat', 'country_id', 'l10n_co_document_type')
     def check_vat(self):

addons/l10n_co/views/res_partner.xml

@@ -8,9 +8,6 @@
             <field name="vat" position="before">
                 <field name="l10n_co_document_type"/>
             </field>
-            <field name="vat" position="after">
-                <field name="l10n_co_verification_code" invisible="1"/>
-            </field>
         </field>
     </record>
 </odoo>