Update ICU to 58.1

source/data/region/mgo.txt

Index: source/data/region/mgo.txt
diff --git a/source/data/region/mgo.txt b/source/data/region/mgo.txt
old mode 100755
new mode 100644
index f0de9ee0321a81cf9c940e1b12c2b5654cb3ed66..4054a147d10a76a0e78fc3d59bcf75645be02488
--- a/source/data/region/mgo.txt
+++ b/source/data/region/mgo.txt
@@ -1,15 +1,9 @@
-// ***************************************************************************
-// *
-// * Copyright (C) 2015 International Business Machines
-// * Corporation and others. All Rights Reserved.
-// * Tool: org.unicode.cldr.icu.NewLdml2IcuConverter
-// * Source File: <path>/common/main/mgo.xml
-// *
-// ***************************************************************************
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html#License
 mgo{
     Countries{
         CM{"Kamalun"}
         ZZ{"aba aben tisɔ̀"}
     }
-    Version{"2.1.19.14"}
+    Version{"2.1.27.40"}
 }