delete unneeded paragraph

Author: hahnbeelee

api-playground/asyncapi/setup.mdx

@@ -55,8 +55,6 @@ You can add an `asyncapi` field to any tab or group in the navigation of your `d
   the **api-reference** folder of the docs repo.
 </Note>
 
-The metadata for the generated pages will contain the key `asyncapi` with a path to the original spec and the channel id so that the page can be generated per channel and display data about all websocket messages sent and received on that channel. Learn more about interacting with websockets with generated AsyncAPI pages in the playground [here](api-playground/asyncapi/playground).
-
 ## Channel Page
 
 If you want more control over how you order your channels or if you want to just reference a single channel, you can create an MDX file with the `asyncapi` field in the frontmatter.