[Search] Removing GA notice from Semantic_reranker (#1013)

Removing GA notice from `Semantic_reranker` as part of the process.

Author: Samiul-TheSoccerFan

solutions/search/ranking/semantic-reranking.md

@@ -8,10 +8,6 @@ applies_to:
 
 # Semantic reranking [semantic-reranking]
 
-::::{warning}
-This functionality 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.
-::::
-
 
 ::::{tip}
 This overview focuses more on the high-level concepts and use cases for semantic re-ranking. For full implementation details on how to set up and use semantic re-ranking in {{es}}, see the [reference documentation](https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation-search#operation-search-body-application-json-retriever) in the Search API docs.