Update automl_image_classification_batch_prediction.ipynb

This notebook was throwing "invalid JSON" errors when users were opening it in Colab, etc.

The problem was introduced in #2866 when I didn't close a text cell line properly.

notebooks/official/automl/automl_image_classification_batch_prediction.ipynb

@@ -561,7 +561,7 @@
         "- `budget_milli_node_hours`: (optional) Maximum training time specified in unit of millihours (1000 = hour).\n",
         "- `disable_early_stopping`: If `True`, training maybe completed before using the entire budget if the service believes it cannot further improve on the model objective measurements.\n",
         "\n",
-        "The `run` method when completed returns the `Model` resource.\n",
+        "The `run` method when completed returns the `Model` resource."
       ]
     },
     {