clean up header

Author: Gang Fu

notebooks/idc_on_aws/idc-on-aws-tutorial.ipynb

@@ -1,21 +1,5 @@
 {
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-   "cell_type": "markdown",
-   "id": "db59bc4b-9271-4c15-9615-948194114128",
-   "metadata": {
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-   },
-   "source": [
-    "[![Licence](https://img.shields.io/badge/license-MIT-blue)](https://opensource.org/license/mit/)\n",
-    "\n",
-    "# IDC on AWS Turotial\n",
-    "\n",
-    "This notebook walk through how to study the [NCI Imaging Data Commons](https://portal.imaging.datacommons.cancer.gov/) data on [AWS Open Data repositry](https://registry.opendata.aws/nci-imaging-data-commons/) using native AWS services, including [Amazon SageMaker](https://aws.amazon.com/sagemaker/), [AWS HealthImaging](https://aws.amazon.com/healthimaging/), [Amazon Athena](https://aws.amazon.com/athena/), [Amazon Glue](https://aws.amazon.com/glue/), and so on.\n",
-    "\n",
-    "If you are not familiar with IDC data, please run through the existing [tutorials](https://github.com/ImagingDataCommons/IDC-Tutorials/tree/master/notebooks/getting_started) first."
-   ]
-  },
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