remove schrodingers newline

looks like this newline is os specific, CI doesn't like it

Author: jacalata

test/test_webhook.py

@@ -78,6 +78,6 @@ def test_request_factory(self):
         webhook_item = WebhookItem()
         webhook_item._set_values("webhook-id", "webhook-name", "url", "api-event-name",
                                  None)
-        webhook_request_actual = '{}\r\n'.format(RequestFactory.Webhook.create_req(webhook_item).decode('utf-8'))
+        webhook_request_actual = '{}\n'.format(RequestFactory.Webhook.create_req(webhook_item).decode('utf-8'))
         self.maxDiff = None
         self.assertEqual(webhook_request_expected, webhook_request_actual)