Updated for DOCS-1145 (#6325)

Signed-off-by: Dj Walker-Morgan <[email protected]>

Author: djw-m

advocacy_docs/edb-postgres-ai/cloud-service/index.mdx

@@ -3,7 +3,7 @@ title: EDB Postgres AI Cloud Service
 navTitle: Cloud Service
 description: An introduction to the EDB Postgres AI Cloud Service and its features.
 directoryDefaults:
-  displayBanner: "The EDB Hosted Cloud Service has been deprecated. Support is available for current customers. However, the related documentation topics will be removed shortly. Further updates will be provided as the removal progresses."
+  displayBanner: "Notice: EDB will no longer offer the  Hosted Cloud Service option for new customers. However, support will remain available for existing customers of the EDB Hosted plan. The associated documentation topics will soon be removed, and updates regarding the removal process will be shared as they become available. The 'Your Cloud Account' option will continue to be available."
 navigation:
 - getting_started
 - using_cluster

advocacy_docs/edb-postgres-ai/index.mdx

@@ -23,5 +23,5 @@ navigation:
 The home of all EDB Postgres® AI documentation.
 
 !!!note "Deprecation"
-    The EDB Hosted Cloud Service has been deprecated. Support is available for current customers. However, the related documentation topics will be removed shortly. Further updates will be provided as the removal progresses.
+   EDB will no longer offer the  Hosted Cloud Service option for new customers. However, support will remain available for existing customers of the EDB Hosted plan. The associated documentation topics will soon be removed, and updates regarding the removal process will be shared as they become available. The 'Your Cloud Account' option will continue to be available.