ESQL CCS is going to be GA in 9.1/8.19 (#1914)

Since ES|QL CCS support is going to be GA in 8.19/9.1, remove the
preview warnings from the docs.

---------

Co-authored-by: florent-leborgne <[email protected]>

Author: smalyshev

explore-analyze/query-filter/languages/esql-cross-clusters.md

@@ -3,7 +3,7 @@ navigation_title: Query across clusters
 mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/reference/current/esql-cross-clusters.html
 applies_to:
-  stack: ga
+  stack: preview 9.0, ga 9.1
   serverless: unavailable
 products:
   - id: elasticsearch
@@ -13,12 +13,6 @@ products:
 
 # Use ES|QL across clusters [esql-cross-clusters]
 
-
-::::{warning}
-{{ccs-cap}} for {{esql}} is in technical preview and may be changed or removed in a future release. Elastic will work to fix any issues, but features in technical preview are not subject to the support SLA of official GA features.
-::::
-
-
 With {{esql}}, you can execute a single query across multiple clusters.
 
 

solutions/search/cross-cluster-search.md

@@ -25,10 +25,10 @@ The following APIs support {{ccs}}:
 * [Field capabilities](https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation-field-caps)
 * [Painless execute API](elasticsearch://reference/scripting-languages/painless/painless-api-examples.md)
 * [Resolve Index API](https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation-indices-resolve-index)
+* [Vector tile search](https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation-search-mvt)
+* {applies_to}`stack: preview 9.0, ga 9.1` [ES|QL](../../explore-analyze/query-filter/languages/esql-cross-clusters.md)
 * [preview] [EQL search](https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation-eql-search)
 * [preview] [SQL search](https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation-sql-query)
-* [preview] [Vector tile search](https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation-search-mvt)
-* [preview] [ES|QL](../../explore-analyze/query-filter/languages/esql-cross-clusters.md)
 
 
 ## Prerequisites [_prerequisites]