Fix SparkExecutionEngineConfigClusterSetting deserialize issue (#2838) (

#2855)

(cherry picked from commit 2117650)

Signed-off-by: Tomoyuki Morita <moritato@amazon.com>
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

async-query/src/main/java/org/opensearch/sql/spark/config/SparkExecutionEngineConfigClusterSetting.java

@@ -6,9 +6,9 @@
 package org.opensearch.sql.spark.config;
 
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.google.gson.Gson;
 import lombok.Builder;
 import lombok.Data;
-import org.opensearch.sql.utils.SerializeUtils;
 
 /**
  * This POJO is just for reading stringified json in `plugins.query.executionengine.spark.config`
@@ -29,7 +29,6 @@ public class SparkExecutionEngineConfigClusterSetting {
 
   public static SparkExecutionEngineConfigClusterSetting toSparkExecutionEngineConfig(
       String jsonString) {
-    return SerializeUtils.buildGson()
-        .fromJson(jsonString, SparkExecutionEngineConfigClusterSetting.class);
+    return new Gson().fromJson(jsonString, SparkExecutionEngineConfigClusterSetting.class);
   }
 }