Removed: hard-coded testing bucket from NTM

Author: djarpin

introduction_to_amazon_algorithms/ntm_synthetic/ntm_synthetic.ipynb

@@ -61,8 +61,8 @@
    },
    "outputs": [],
    "source": [
-    "bucket = 'arpin-im-ntm-basic'\n",
-    "prefix = 'sagemaker/ntm'\n",
+    "bucket = '<your_s3_bucket_name_here>'\n",
+    "prefix = 'sagemaker/ntm_synthetic'\n",
     " \n",
     "# Define IAM role\n",
     "import boto3\n",