Update ICU to 58.1

source/data/locales/rm_CH.txt

Index: source/data/locales/rm_CH.txt
diff --git a/source/data/locales/rm_CH.txt b/source/data/locales/rm_CH.txt
old mode 100755
new mode 100644
index e2f8bed4d73519a5bb809b2595939869de0bcb3d..4f55d8d18154dd47ee293082cf49148effc1b4b8
--- a/source/data/locales/rm_CH.txt
+++ b/source/data/locales/rm_CH.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/rm_CH.xml
-// *
-// ***************************************************************************
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html#License
 rm_CH{
-    Version{"2.1.19.14"}
+    Version{"2.1.27.40"}
 }