Removed unimplemented allow_letters option from USPhoneNumberField
Removed unimplemented allow_letters option from USPhoneNumberField

git-svn-id: http://code.djangoproject.com/svn/django/trunk@4555 bcc190cf-cafb-0310-a4f2-bffc1f526a37

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extra : convert_revision : 2b71579f6a7c6b5b61c4fb9e7b20fa3b4df31242

adieu/django-nonrel,adieu/django-nonrel,heracek/django-nonrel,adieu/django-nonrel,heracek/django-nonrel,heracek/django-nonrel