Update ICU to 58.1

source/data/region/gv.txt

Index: source/data/region/gv.txt
diff --git a/source/data/region/gv.txt b/source/data/region/gv.txt
index 1d9a19030994278bfd01794a10e151d8f20a2f50..6e2fb4303e7f242a73e22a66d20a8a31a4d7d9e8 100644
--- a/source/data/region/gv.txt
+++ b/source/data/region/gv.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/gv.xml
-// *
-// ***************************************************************************
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html#License
 gv{
     Countries{
         GB{"Rywvaneth Unys"}
         IM{"Ellan Vannin"}
     }
-    Version{"2.1.19.14"}
+    Version{"2.1.27.40"}
 }