[ci] Remove duplicate license header

Author: hazendaz

src/test/java/DefaultPackageNameMapper.java

@@ -13,21 +13,6 @@
  *    See the License for the specific language governing permissions and
  *    limitations under the License.
  */
-/**
- *    Copyright 2018-2019 the original author or authors.
- *
- *    Licensed 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.
- */
 import java.util.List;
 
 import org.mybatis.scripting.freemarker.Name;