[IMP] account_payment_partner: Remove label field

There's already a field in the payment mode called 'note' that is
printed on the invoices, so there's no need of another field for
that purpose. This field is added by account_banking_payment_export

account_payment_partner/models/payment_mode.py

@@ -9,9 +9,6 @@ from openerp import models, fields
 class PaymentMode(models.Model):
     _inherit = "payment.mode"
 
-    label = fields.Char(
-        string='Label', translate=True,
-        help="This field is designed to be used in the invoice report")
     default_payment_mode = fields.Selection([
         ('same', 'Same'),
         ('same_or_null', 'Same or empty'),

account_payment_partner/views/payment_mode.xml

@@ -12,9 +12,6 @@
             <field name="default_payment_mode"
                 attrs="{'invisible': [('default_invoice', '=', False)]}"/>
         </group>
-        <field name="name" position="after">
-            <field name="label"/>
-        </field>
     </field>
 </record>