Update ICU to 58.1

source/data/rbnf/cs.txt

Index: source/data/rbnf/cs.txt
diff --git a/source/data/rbnf/cs.txt b/source/data/rbnf/cs.txt
index 0f030d4a5e4f222a95fe6b5bbd4db0295bec9be6..7b74933151893898b8b34ef3b5c2a60c0b4bd25c 100644
--- a/source/data/rbnf/cs.txt
+++ b/source/data/rbnf/cs.txt
@@ -1,16 +1,10 @@
-// ***************************************************************************
-// *
-// * Copyright (C) 2015 International Business Machines
-// * Corporation and others. All Rights Reserved.
-// * Tool: org.unicode.cldr.icu.NewLdml2IcuConverter
-// * Source File: <path>/common/rbnf/cs.xml
-// *
-// ***************************************************************************
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html#License
 cs{
     RBNFRules{
         SpelloutRules{
             "%spellout-numbering-year:",
-            "x.x: =#,###0.#=;",
+            "x.x: =0.0=;",
             "0: =%spellout-numbering=;",
             "%spellout-numbering:",
             "0: =%spellout-cardinal-masculine=;",
@@ -131,5 +125,5 @@ cs{
             "1000000000000000000: =#,##0=;",
         }
     }
-    Version{"2.1.19.14"}
+    Version{"2.1.27.22"}
 }