Update data-pipelines.mdx (#1730)

Author: myronkaifung

pages/docs/data-pipelines.mdx

@@ -7,12 +7,6 @@ import { Callout } from 'nextra/components'
   go to docs [here](/docs/data-pipelines/old-pipelines).
 </Callout>
 
-<Callout type="warning">
-  If your Mixpanel org was created before Sep 2024 and you just start setting up Data Pipelines,
-  by default you will use the [older version of pipelines](/docs/data-pipelines/old-pipelines/overview).
-  If you want to use Json Pipelines, please reach out to our support team for assistance.
-</Callout>
-
 Data Pipelines is a [paid add-on](https://mixpanel.com/pricing) that continuously exports data from your Mixpanel project to a Cloud Storage bucket or Data Warehouse of your choice. This feature is ideal for those who wish to perform SQL analysis on Mixpanel data within their own environment.
 
 Setting up Data Pipelines involves two main steps: