Remove unnecessary comma from yaml file

Author: Samiul-TheSoccerFan

x-pack/plugin/inference/src/yamlRestTest/resources/rest-api-spec/test/inference/40_semantic_text_query.yml

@@ -1005,7 +1005,7 @@ setup:
   - match: { aggregations.agg_ids.buckets.0.doc_count: 1 }
 
 ---
-"Query _inference_fields with semantic_text legacy format":
+"Querying_inference_fields with semantic_text legacy format":
   - do:
       inference.put:
         task_type: sparse_embedding
@@ -1044,7 +1044,7 @@ setup:
         index: test-index
         id: doc_1
         body:
-          inference_field: "test value",
+          inference_field: "test value"
           source_field: "source value"
         refresh: true