[LOG4J2-2443] Remove unused exception
diff --git a/log4j-catalog/log4j-catalog-api/src/main/java/org/apache/logging/log4j/catalog/api/exception/DuplicateNameException.java b/log4j-catalog/log4j-catalog-api/src/main/java/org/apache/logging/log4j/catalog/api/exception/DuplicateNameException.java
deleted file mode 100644
index e8a8e92..0000000
--- a/log4j-catalog/log4j-catalog-api/src/main/java/org/apache/logging/log4j/catalog/api/exception/DuplicateNameException.java
+++ /dev/null
@@ -1,41 +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.logging.log4j.catalog.api.exception;
-
-/**
- *
- */
-public class DuplicateNameException extends RuntimeException {
-
- private static final long serialVersionUID = 1031387508145563656L;
-
- public DuplicateNameException() {
- super();
- }
-
- public DuplicateNameException(String msg) {
- super(msg);
- }
-
- public DuplicateNameException(Throwable t) {
- super(t);
- }
-
- public DuplicateNameException(String msg, Throwable t) {
- super(msg, t);
- }
-}
