allow that you dont need a resolution if amount > 30

fet2020/finance/forms.py

@@ -112,12 +112,14 @@ class BillCreateForm(forms.ModelForm):
                 )
 
         # check that amount is valid because invalid amount is a NoneType.
+        '''
         if amount:
             if amount > 30 and resolution == "":
                 raise ValidationError(
                     "Die Beschlussnummer fehlt, weil der Betrag über 30€ beträgt "
                     f"(Betrag: {amount}€)."
                 )
+        '''
 
         if payer == "M":
             if name == "" or iban == "":