[Release] resolve license issues (#4408)
diff --git a/src/de10nano/cma_api.cc b/src/de10nano/cma_api.cc
index d6d24cb..12c0e3b 100644
--- a/src/de10nano/cma_api.cc
+++ b/src/de10nano/cma_api.cc
@@ -1,23 +1,4 @@
/*
- * 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.
- */
-
-/*
* The MIT License (MIT)
*
* COPYRIGHT (C) 2017 Institute of Electronics and Computer Science (EDI), Latvia.
