Remove repeated license

Change-Id: I6bb5e769d0adf9e5e71e718196afb4356d4c8335

@@ -13,25 +13,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.onosproject.provider.snmp.device.impl;
 
-/*
- * Copyright 2015 Open Networking Laboratory
- *
- * 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 com.fasterxml.jackson.databind.JsonNode;
 import com.google.common.annotations.Beta;
 import com.google.common.collect.Sets;