Update ChatAgent sample app ReadMe (#1120)

Co-authored-by: Maryanne Gichohi <mgichohi@microsoft.com>

Author: MaryanneNjeri

examples/Python/ChatAgent/README.md

@@ -12,7 +12,7 @@ This sample demonstrates using Azure App Configuration to load agent YAML specif
 - Python 3.10 or later
 - An Azure subscription with:
   - An Azure App Configuration store
-  - An Azure AI project with a deployed gpt-4.1 model and Grounding with Bing Search configured as a connected resource.
+  - An Azure AI project with a deployed gpt-4.1 model.
 - User has **App Configuration Reader** role assigned for the Azure App Configuration resource.
 - User has **Azure AI User** role assigned for the Azure AI project.