refactoring accorrding to the comments

rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/kafka/TbKafkaNodeConfiguration.java

@@ -15,17 +15,13 @@
  */
 package org.thingsboard.rule.engine.kafka;
 
-import com.fasterxml.jackson.annotation.JsonIgnore;
-import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import lombok.Data;
-import org.apache.kafka.common.serialization.StringSerializer;
 import org.thingsboard.rule.engine.api.NodeConfiguration;
 
 import java.util.Collections;
 import java.util.Map;
 
 @Data
-@JsonIgnoreProperties(ignoreUnknown = true)
 public class TbKafkaNodeConfiguration implements NodeConfiguration<TbKafkaNodeConfiguration> {
 
     private String topicPattern;