Update ICU to 58.1

source/data/locales/rwk_TZ.txt

Index: source/data/locales/rwk_TZ.txt
diff --git a/source/data/locales/rwk_TZ.txt b/source/data/locales/rwk_TZ.txt
old mode 100755
new mode 100644
index 1e58d13f08532c0e02524c2594ef08338abcfdce..6c483abce0ca1db0179d43fca4e8d0373b9d4fbd
--- a/source/data/locales/rwk_TZ.txt
+++ b/source/data/locales/rwk_TZ.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>/common/main/rwk_TZ.xml
-// *
-// ***************************************************************************
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html#License
 rwk_TZ{
-    Version{"2.1.19.14"}
+    Version{"2.1.27.40"}
 }