clarify EWS is enabled for all TCloud users (#4329)

Signed-off-by: Phil Prasek <prasek@gmail.com>

Author: prasek

docs/develop/worker-performance.mdx

@@ -127,7 +127,7 @@ If it does, it may try to reserve an Activity Slot for the execution of the Acti
 :::tip SUPPORT, STABILITY, and DEPENDENCY INFO
 
 Eager Workflow Start is available in [Public Preview](/evaluate/development-production-features/release-stages#public-preview) in the Go, Java, Python, and .NET SDKs.
-Temporal Cloud and Temporal Server 1.29.0 and higher have Eager Workflow Start available for use by default, but you must explicitly Request-Eager-Start when starting a Workflow.
+Eager Workflow Start is enabled for all Temporal Cloud users and self-hosted Temporal Server 1.29.0+. No additional configuration or access request is needed. However, you must set Request-Eager-Start to true when starting each Workflow for Eager Workflow Start to be used.
 
 :::