Update service-availability.mdx

Removed public preview flag from TRUs as they are now GA

Author: tlotemporal

docs/evaluate/temporal-cloud/service-availability.mdx

@@ -27,11 +27,6 @@ Temporal offers two different modes for adjusting capacity: On-Demand Capacity o
 With On-Demand Capacity, Namespace capacity is increased automatically along with usage.
 With Provisioned Capacity, you can control your capacity limits by requesting Temporal Resource Units (TRUs).
 
-:::tip Support, stability, and dependency info
-
-Provisioned Capacity is currently in [Public Preview](/evaluate/development-production-features/release-stages#public-preview).
-
-:::
 
 ## Latency Service Level Objective (SLO) {#latency}