Update ICU to 58.1

source/data/locales/el_GR.txt

Index: source/data/locales/el_GR.txt
diff --git a/source/data/locales/el_GR.txt b/source/data/locales/el_GR.txt
index 705b3499a93dd8c0986808525401a6cfdb092a77..e3bf6ebfafb45a7f197786c623426acfc8d9250b 100644
--- a/source/data/locales/el_GR.txt
+++ b/source/data/locales/el_GR.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/el_GR.xml
-// *
-// ***************************************************************************
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html#License
 el_GR{
-    Version{"2.1.19.14"}
+    Version{"2.1.27.40"}
 }