Remove debugging print statement.

Author: amueller

openml/runs/run.py

@@ -79,7 +79,6 @@ def publish(self):
         """
         predictions = arff.dumps(self._generate_arff())
         description_xml = self._create_description_xml()
-        print(description_xml)
         file_elements = {'predictions': ("predictions.csv", predictions),
                          'description': ("description.xml", description_xml)}
         return_code, return_value = _perform_api_call(