Removed page_topic from per-repo readme

Author: HeidiSteen

README.md

@@ -1,6 +1,6 @@
 ---
-page_type: sample
 topic: sample
+platform: python
 languages:
   - python
 products:
@@ -16,6 +16,6 @@ This repository contains Python sample code used in Azure Search quickstarts, tu
 
 This sample is a Jupyter Python3 .ipynb file used in [Quickstart: Create and query an Azure Search index using a Jupyter Python notebook](https://docs.microsoft.com/azure/search/search-get-started-python). Use this sample to learn service connections, index creation, data ingestion, and basic queries.
 
-## Tutorial-AI-Enrichment-Jupyter-Notebook
+## Tutorial - AI-enrichments in an Azure Search indexing pipeline
 
 This sample is also a Jupyter Python3 .ipynb file. It's used in the [Python Tutorial: Call Cognitive Services APIs in an Azure Search indexing pipeline](https://docs.microsoft.com/azure/search/cognitive-search-tutorial-blob-python). This sample demonstrates cognitive search functionality, adding AI enrichments from Cognitive Services to extract, detect, and analyze information from image files or large unstructured document files.