Update ICU to 58.1

source/data/zone/en_GG.txt

Index: source/data/zone/en_GG.txt
diff --git a/source/data/zone/en_GG.txt b/source/data/zone/en_GG.txt
old mode 100755
new mode 100644
index 500a2a3cc3de86eb0a7b9e51dc9ff77f72e8c2ba..f898103fa8efbee339db2afa8e38e9070f8bcf42
--- a/source/data/zone/en_GG.txt
+++ b/source/data/zone/en_GG.txt
@@ -1,12 +1,6 @@
-// ***************************************************************************
-// *
-// * Copyright (C) 2015 International Business Machines
-// * Corporation and others. All Rights Reserved.
-// * Tool: org.unicode.cldr.icu.NewLdml2IcuConverter
-// * Source File: <path>/common/main/en_GG.xml
-// *
-// ***************************************************************************
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html#License
 en_GG{
     %%Parent{"en_001"}
-    Version{"2.1.19.14"}
+    Version{"2.1.27.40"}
 }