Update Semantic Search Tutorial to Use Elasticsearch Service and Remove References to Deprecated ELSER Service

docs/changelog/117826.yaml

@@ -0,0 +1,5 @@
+pr: 117826
+summary: "Add deprecation warning for ELSER in semantic search tutorial"
+area: Docs
+type: doc
+issues: ["117829"]

docs/reference/search/search-your-data/semantic-search-semantic-text.asciidoc

@@ -6,6 +6,13 @@
 
 beta[]
 
+[WARNING]
+.Deprecated in 8.16
+====
+The elser service is deprecated and will be removed in a future release. 
+Use the <<infer-service-elasticsearch>> instead, with model_id included in the service_settings.
+====
+
 This tutorial shows you how to use the semantic text feature to perform semantic search on your data.
 
 Semantic text simplifies the {infer} workflow by providing {infer} at ingestion time and sensible default values automatically.
@@ -282,4 +289,4 @@ query from the `semantic-embedding` index:
 
 * If you want to use `semantic_text` in hybrid search, refer to https://colab.research.google.com/github/elastic/elasticsearch-labs/blob/main/notebooks/search/09-semantic-text.ipynb[this notebook] for a step-by-step guide.
 * For more information on how to optimize your ELSER endpoints, refer to {ml-docs}/ml-nlp-elser.html#elser-recommendations[the ELSER recommendations] section in the model documentation.
-* To learn more about model autoscaling, refer to the {ml-docs}/ml-nlp-auto-scale.html[trained model autoscaling] page.
+* To learn more about model autoscaling, refer to the {ml-docs}/ml-nlp-auto-scale.html[trained model autoscaling] page.