Remove order token as an authorization option for current order api d…

…ocumentation

Update the solidus stoplight api documentation to remove
order token as an authorization option.

This is because the code only allows the request to be
authorized by providing the user api key.

api/openapi/solidus-api.oas.yml

@@ -229,7 +229,6 @@ paths:
         - Orders
       security:
         - api-key: []
-        - order-token: []
   /countries:
     get:
       responses: