Remove unnecessary debug print from tests (googleapis#4907)

Author: alixhami

bigquery/tests/unit/test_table.py

@@ -1058,7 +1058,6 @@ def test_iterate(self):
         rows_iter = iter(row_iterator)
 
         val1 = six.next(rows_iter)
-        print(val1)
         self.assertEqual(val1.name, 'Phred Phlyntstone')
         self.assertEqual(row_iterator.num_results, 1)