[HUDI-1035] Remove unused class KeyLookupResult (#1754)

hudi-client/src/main/java/org/apache/hudi/index/bloom/KeyLookupResult.java

@@ -1,49 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.hudi.index.bloom;
-
-import java.util.List;
-
-/**
- * Encapsulates the result from a key lookup.
- */
-public class KeyLookupResult {
-
-  private final String fileName;
-  private final List<String> matchingRecordKeys;
-  private final String partitionPath;
-
-  public KeyLookupResult(String fileName, String partitionPath, List<String> matchingRecordKeys) {
-    this.fileName = fileName;
-    this.partitionPath = partitionPath;
-    this.matchingRecordKeys = matchingRecordKeys;
-  }
-
-  public String getFileName() {
-    return fileName;
-  }
-
-  public List<String> getMatchingRecordKeys() {
-    return matchingRecordKeys;
-  }
-
-  public String getPartitionPath() {
-    return partitionPath;
-  }
-}