remove header comments

jetcache-test/src/main/java/com/alicp/jetcache/test/support/Tick.java

@@ -1,18 +1,3 @@
-/*
- * Copyright The Dongting Project
- *
- * The Dongting Project 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:
- *
- *   https://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 com.alicp.jetcache.test.support;
 
 /**