[DOCS] Removes semantic search reference docs (elastic#93500)

Author: szabosteve

docs/reference/ml/trained-models/apis/ml-trained-models-apis.asciidoc

@@ -23,7 +23,3 @@ an aggregation. Refer to the following documentation to learn more:
 
 * <<search-aggregations-pipeline-inference-bucket-aggregation,{infer-cap} bucket aggregation>>
 * <<inference-processor,{infer-cap} processor>>
-
-You can use your trained model to perform semantic search:
-
-* <<semantic-search-api>>

docs/reference/search.asciidoc

@@ -19,7 +19,6 @@ exception of the <<search-explain,explain API>>.
 * <<search-terms-enum>>
 * <<scroll-api>>
 * <<clear-scroll-api>>
-* <<semantic-search-api>>
 
 [discrete]
 [[search-testing-apis]]
@@ -53,8 +52,6 @@ include::search/point-in-time-api.asciidoc[]
 
 include::search/knn-search.asciidoc[]
 
-include::search/semantic-search.asciidoc[]
-
 include::search/scroll-api.asciidoc[]
 
 include::search/clear-scroll-api.asciidoc[]