fix: little nextra edit

docs/pages/Guides/How-to-use-different-LLM.mdx

@@ -42,7 +42,6 @@ DocsGPT supports the use of OpenAI-compatible endpoints through base URL substit
 
 Set the OPENAI_BASE_URL in your environment. You can change .env file with OPENAI_BASE_URL with the desired base URL or docker-compose.yml file and add the environment variable to the backend container.
 
-> [!Note]
 > Make sure you have the right API_KEY and correct LLM_NAME.