Remove unnecessary file
diff --git a/NOTICE b/NOTICE
index 703c28b..309831a 100644
--- a/NOTICE
+++ b/NOTICE
@@ -1,5 +1,5 @@
 Apache RocketMQ
-Copyright 2016-2018 The Apache Software Foundation
+Copyright 2016-2019 The Apache Software Foundation
 
 This product includes software developed at
 The Apache Software Foundation (http://www.apache.org/).
\ No newline at end of file
diff --git a/ons-core/README.md b/ons-core/README.md
deleted file mode 100644
index e69de29..0000000
--- a/ons-core/README.md
+++ /dev/null