Update README.md

Author: badmonster0

README.md

@@ -8,9 +8,6 @@ In this example, we will walk you through how to build embedding index based on
 [![GitHub](https://img.shields.io/github/stars/cocoindex-io/cocoindex?color=5B5BD6)](https://github.com/cocoindex-io/cocoindex)
 
 
-![Untitled design (9)](https://github.com/user-attachments/assets/5d9d49b9-6aa4-45f1-97cf-c9d16c02f0f4)
-
-
 ## Prerequisite
 - [Install Postgres](https://cocoindex.io/docs/getting_started/installation#-install-postgres) if you don't have one.
 - Get your [`LLAMA_CLOUD_API_KEY`](https://docs.cloud.llamaindex.ai/llamaparse/getting_started/get_an_api_key)