Update to match CDN and NPM options in https://docs.splunk.com/observability/en/rum/rum-session-replay.html#rum-session-replay

Author: ada

rum/rum-session-replay.rst

@@ -85,9 +85,6 @@ Self-hosted
 
 To avoid gaps in your data, load and initialize the Splunk JavaScript Agent asynchronously and as early as possible.
 
-#. (Optional) Activate session replay. Session replay is avaialable for enterprise customers only.
-
-
 
 NPM
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