Update v25-preview.mdx

Author: fengjessica

dgraph/v25-preview.mdx

@@ -9,12 +9,7 @@ Dgraph for AI-ready knowledge graphs.
 
 ## Availability
 
-As we prepare for the general availability, we're making a set of preview
-releases available for use on Hypermode and locally. The fastest way to get
-started is to sign up for a free
-[Hypermode account](https://hypermode.com/login).
-
-The run locally, use the Docker image `dgraph/standalone:v25.0.0-preview6`.
+To run locally, use the Docker image `dgraph/standalone:v25.0.0-preview6`.
 
 ```bash
 docker run --rm -it -p 8080:8080 -p 9080:9080 dgraph/standalone:v25.0.0-preview6