Update api-playground/openapi-setup.mdx

Author: mintlify[bot]

api-playground/openapi-setup.mdx

@@ -8,14 +8,12 @@ OpenAPI is a specification for describing APIs. Mintlify supports OpenAPI 3.0+ d
 
 ## Skip OpenAPI processing during local development
 
-If you have many OpenAPI files in your documentation, you can skip OpenAPI file processing during local development to improve performance by using the `--disable-openapi` flag:
+Skip OpenAPI file processing during local development by using the `--disable-openapi` flag:
 
 ```bash
 mint dev --disable-openapi
 ```
 
-This flag skips rendering OpenAPI schemas, which can significantly speed up the local development experience for projects with a large number of OpenAPI files.
-
 ## Add an OpenAPI specification file
 
 To document your endpoints with OpenAPI, you need a valid OpenAPI specification in either JSON or YAML format that follows the [OpenAPI specification 3.0+](https://swagger.io/specification/).