Remove blank line. (#78)

diff --git a/NOTICE.txt b/NOTICE.txt
index 30936cc..da5cc3b 100644
--- a/NOTICE.txt
+++ b/NOTICE.txt
@@ -1,5 +1,4 @@
 Apache OpenWhisk Runtime Go
-
 Copyright 2016-2019 The Apache Software Foundation
 
 This product includes software developed at