remove update runtime

Author: lgayhardt

articles/ai-studio/how-to/prompt-flow-tools/index-lookup-tool.md

@@ -21,7 +21,6 @@ The prompt flow Index Lookup tool enables the use of common vector indices (such
 
 ## Build with the Index Lookup tool
 
-1. If you have a flow that contains one of the deprecated legacy index tools ( the Vector Index Lookup tool, Vector DB Lookup tool, and Faiss Index Lookup tool) you will first need to [upgrade your flow](#upgrade-your-tools).
 1. Create or open a flow in [Azure AI Studio](https://ai.azure.com). For more information, see [Create a flow](../flow-develop.md).
 1. Select **+ More tools** > **Index Lookup** to add the Index Lookup tool to your flow.
 
@@ -141,44 +140,7 @@ The following JSON format response is an example returned by the tool that inclu
 ]
 
 ```
-## Migrate from legacy tools to the Index Lookup tool
 
-The Index Lookup tool looks to replace the three deprecated legacy index tools: the Vector Index Lookup tool, the Vector DB Lookup tool, and the Faiss Index Lookup tool.
-If you have a flow that contains one of these tools, follow the next steps to upgrade your flow.
-
-### Upgrade your tools
-
-1. To update your runtime, go to the project **Settings** tab on the left pane in AI Studio. In the list of prompt flow runtimes that appears, select the name of the runtime you want to update. Then select **Update**. Wait for the runtime to update itself.
-1. To go to your flow, select the **Prompt flow** tab on the left pane in AI Studio. Select the **Flows** tab, and then select the name of your flow.
-
-1. Inside the flow, select **+ More tools**. In the dropdown list, select **Index Lookup** [Preview] to add an instance of the Index Lookup tool.
-
-   :::image type="content" source="../../media/prompt-flow/upgrade-index-tools/index-dropdown.png" alt-text="Screenshot that shows the More tools dropdown list in the prompt flow." lightbox="../../media/prompt-flow/upgrade-index-tools/index-dropdown.png":::
-
-1. Name the new node and select **Add**.
-
-   :::image type="content" source="../../media/prompt-flow/upgrade-index-tools/save-node.png" alt-text="Screenshot that shows the Index Lookup node with a name." lightbox="../../media/prompt-flow/upgrade-index-tools/save-node.png":::
-
-1. In the new node, select the **mlindex_content** textbox. It should be the first textbox in the list.
-
-   :::image type="content" source="../../media/prompt-flow/upgrade-index-tools/mlindex-box.png" alt-text="Screenshot that shows the expanded Index Lookup node with the mlindex_content textbox." lightbox="../../media/prompt-flow/upgrade-index-tools/mlindex-box.png":::
-
-1. In **Generate**, follow these steps to upgrade from the three legacy tools:
-    - **Vector Index Lookup**: Select **Registered Index** in the **index_type** dropdown. Select your vector index asset from the **mlindex_asset_id** dropdown list.
-    - **Faiss Index Lookup**: Select **Faiss** in the **index_type** dropdown list. Specify the same path as in the legacy tool.
-    - **Vector DB Lookup**: Select AI Search or Pinecone depending on the DB type in the **index_type** dropdown list. Fill in the information, as necessary.
-1. Select **Save**.
-1. Back in the node, information is now populated in the **mlindex_content** textbox. Select the **queries** textbox and select the search terms you want to query. Select the same value as the input to the **embed_the_question** node. This value is typically either `\${inputs.question}` or `${modify_query_with_history.output}`. Use `\${inputs.question}` if you're in a standard flow. Use `${modify_query_with_history.output}` if you're in a chat flow.
-
-   :::image type="content" source="../../media/prompt-flow/upgrade-index-tools/mlindex-with-content.png" alt-text="Screenshot that shows the expanded Index Lookup node with index information in the cells." lightbox="../../media/prompt-flow/upgrade-index-tools/mlindex-with-content.png":::
-
-1. Select a query type by selecting the dropdown next to **query_type**. **Vector** produces identical results as the legacy flow. Depending on your index configuration, other options such as **Hybrid** and **Semantic** might be available.
-
-    :::image type="content" source="../../media/prompt-flow/upgrade-index-tools/vector-search.png" alt-text="Screenshot that shows the expanded Index Lookup node with Vector search." lightbox="../../media/prompt-flow/upgrade-index-tools/vector-search.png":::
-
-1. Edit downstream components to consume the output of your newly added node, instead of the output of the legacy Vector Index Lookup node.
-1. Delete the Vector Index Lookup node and its parent embedding node.
-
-## Next steps
+## Related content
 
 - [Learn more about how to create a flow](../flow-develop.md)