Remove spaces from zip when set as PostalCode

UPS does not allow spaces in PostalCode.

issue9816
review326541003

stock.py

@@ -230,7 +230,7 @@ class CreateShippingUPS(Wizard):
                 'AddressLine': [l[:35]
                     for l in (address.street or '').splitlines()[:3]],
                 'City': address.city[:30],
-                'PostalCode': (address.zip or '')[:9],
+                'PostalCode': (address.zip or '').replace(' ', '')[:9],
                 'CountryCode': address.country.code if address.country else '',
                 },
             }

tests/scenario_shipping_ups.rst

@@ -59,7 +59,7 @@ Create parties::
     >>> customer.save()
     >>> customer_address = customer.addresses.new()
     >>> customer_address.street = 'Anfield Road'
-    >>> customer_address.zip = 'L40TH'
+    >>> customer_address.zip = 'L 40TH'
     >>> customer_address.city = 'Liverpool'
     >>> customer_address.country = britain
     >>> customer_address.save()