[FIX] base: QR code validation

The QR code validation does not require the payment account to be in EUR
(e.g. CHF or GBP).

From [1]:

> Though the transaction must be made in euros, the payment accounts
> held at operating in SEPA do not have to be denominated in euros.

[1] https://www.europeanpaymentscouncil.eu/what-we-do/sepa-instant-credit-transfer

opw-2052315

closes odoo/odoo#35824

Signed-off-by: Nicolas Martinelli (nim) <nim@odoo.com>

odoo/addons/base/models/res_bank.py

@@ -139,11 +139,6 @@ class ResPartnerBank(models.Model):
     @api.multi
     def _validate_qr_code_arguments(self):
         for bank in self:
-            if bank.currency_id.name == False:
-                currency = bank.company_id.currency_id
-            else:
-                currency = bank.currency_id
             bank.qr_code_valid = (bank.bank_bic
                                             and bank.company_id.name
-                                            and bank.acc_number
-                                            and (currency.name == 'EUR'))
+                                            and bank.acc_number)