Fix unused params

Signed-off-by: sahuang <xiaohai.xu@zilliz.com>

examples/src/main/java/MilvusClientExample.java

@@ -200,8 +200,6 @@ public class MilvusClientExample {
                     .build();
     SearchResponse searchByIDResponse = client.searchByID(searchByIDParam);
     if (searchByIDResponse.ok()) {
-      List<List<Long>> resultIdsList = searchResponse.getResultIdsList();
-      List<List<Float>> resultDistancesList = searchResponse.getResultDistancesList();
       List<List<SearchResponse.QueryResult>> queryResultsList = searchResponse.getQueryResultsList();
       final double epsilon = 0.001;
       for (int i = 0; i < searchBatchSize; i++) {

src/main/java/io/milvus/client/SearchByIDParam.java

@@ -20,7 +20,6 @@
 package io.milvus.client;
 
 import javax.annotation.Nonnull;
-import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.List;