pubsub: remove reference to beta in doc
@@ -18,8 +18,6 @@ messages, hiding the the details of the underlying server RPCs. Google Cloud
Pub/Sub is a many-to-many, asynchronous messaging system that decouples senders
and receivers.
-Note: This package is in beta. Some backwards-incompatible changes may occur.
-
More information about Google Cloud Pub/Sub is available at
https://cloud.google.com/pubsub/docs
