Remove header section from non SDK version (#76)

Remove defunct links that don't work from the top of the notebook (I think these were cut and paste from the full example)

Author: mrnikw

sagemaker-python-sdk/1P_kmeans_highlevel/kmeans_mnist.ipynb

@@ -14,9 +14,6 @@
     "  4. [Data conversion](#Data-conversion)\n",
     "3. [Training the K-Means model](#Training-the-K-Means-model)\n",
     "4. [Set up hosting for the model](#Set-up-hosting-for-the-model)\n",
-    "  1. [Import model into hosting](#Import-model-into-hosting)\n",
-    "  2. [Create endpoint configuration](#Create-endpoint-configuration)\n",
-    "  3. [Create endpoint](#Create-endpoint)\n",
     "5. [Validate the model for use](#Validate-the-model-for-use)\n"
    ]
   },