Merge pull request #3421 from kenhys/remove-duplicated-license-text

Remove duplicated license text

lib/fluent/plugin/service_discovery.rb

@@ -13,21 +13,6 @@
 #    See the License for the specific language governing permissions and
 #    limitations under the License.
 #
-#
-# Fluentd
-#
-#    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.
-#
 
 require 'fluent/plugin/base'