Update ICU to 58.1

source/data/locales/th_TH_TRADITIONAL.txt

Index: source/data/locales/th_TH_TRADITIONAL.txt
diff --git a/source/data/locales/th_TH_TRADITIONAL.txt b/source/data/locales/th_TH_TRADITIONAL.txt
index 3a44a9bdd471c728bacff8376f4ec5a3cfe77723..d72e493f4f86397dcf71fd0a3f57fef5eb36470c 100644
--- a/source/data/locales/th_TH_TRADITIONAL.txt
+++ b/source/data/locales/th_TH_TRADITIONAL.txt
@@ -1,11 +1,5 @@
-// ***************************************************************************
-// *
-// * Copyright (C) 2015 International Business Machines
-// * Corporation and others. All Rights Reserved.
-// * Tool: org.unicode.cldr.icu.NewLdml2IcuConverter
-// * Source File: <path>/icu-locale-deprecates.xml & build.xml
-// *
-// ***************************************************************************
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html#License
 th_TH_TRADITIONAL{
     calendar{
         default{"buddhist"}