ref(replay): rm beta note from replay summary docs (#15523)

to be merged with getsentry/sentry#103389

Author: michellewzhang

docs/product/explore/session-replay/replay-details.mdx

@@ -27,10 +27,6 @@ By default, the Session Replay SDK is configured to redact all text, user input,
 
 ### AI-Powered Replay Summary [Web Only]
 
-<Alert>
-This feature is currently in Beta, which means that this feature is still in-progress and may have bugs. We recognize the irony.
-</Alert>
-
 Sentry now provides **AI-powered replay summaries** that automatically analyze what happened during a user session and give you a short play-by-play to help debug issues faster. Rather than watch an entire replay, you can now get a quick overview of what happened and focus on the specific interactions that led to the issue. This tab includes:
 
 - **AI Summary:** An LLM-powered description of the user's journey