Update ICU to 58.1

source/data/unit/nn.txt

Index: source/data/unit/nn.txt
diff --git a/source/data/unit/nn.txt b/source/data/unit/nn.txt
old mode 100755
new mode 100644
index cd9b4e9c547e521bbdd110296a96f3ae326eb9dc..074a883d022f5612716625c94199b94d673a36ad
--- a/source/data/unit/nn.txt
+++ b/source/data/unit/nn.txt
@@ -1,13 +1,7 @@
-// ***************************************************************************
-// *
-// * Copyright (C) 2015 International Business Machines
-// * Corporation and others. All Rights Reserved.
-// * Tool: org.unicode.cldr.icu.NewLdml2IcuConverter
-// * Source File: <path>/common/main/nn.xml
-// *
-// ***************************************************************************
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html#License
 nn{
-    Version{"2.1.19.14"}
+    Version{"2.1.28.76"}
     durationUnits{
         hm{"h:mm"}
         hms{"h:mm:ss"}