chore(karate): clean up

Author: PerfectSlayer

dd-java-agent/instrumentation/karate/src/main/java/datadog/trace/instrumentation/karate/KarateUtils.java

@@ -1,12 +1,13 @@
 package datadog.trace.instrumentation.karate;
 
+import static datadog.json.JsonMapper.toJson;
+
 import com.intuit.karate.core.Feature;
 import com.intuit.karate.core.FeatureRuntime;
 import com.intuit.karate.core.Result;
 import com.intuit.karate.core.Scenario;
 import com.intuit.karate.core.ScenarioRuntime;
 import com.intuit.karate.core.Tag;
-import datadog.json.JsonMapper;
 import datadog.trace.api.civisibility.config.TestIdentifier;
 import datadog.trace.api.civisibility.events.TestDescriptor;
 import datadog.trace.api.civisibility.events.TestSuiteDescriptor;
@@ -77,7 +78,7 @@ public static List<String> getCategories(List<Tag> tags) {
   }
 
   public static String getParameters(Scenario scenario) {
-    return scenario.getExampleData() != null ? JsonMapper.toJson(scenario.getExampleData()) : null;
+    return scenario.getExampleData() != null ? toJson(scenario.getExampleData()) : null;
   }
 
   public static TestIdentifier toTestIdentifier(Scenario scenario) {