Adds Hans-Hant transliterators and drops el-Upper from ICU data

source/data/translit/root_subset.txt

Index: source/data/translit/root_subset.txt
diff --git a/source/data/translit/root_subset.txt b/source/data/translit/root_subset.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b27191cffd42b712645deb39cd76dc1e16d5c5aa
--- /dev/null
+++ b/source/data/translit/root_subset.txt
@@ -0,0 +1,27 @@
+// **************************************************************************
+// *  Copyright (C) 2004-2013, International Business Machine
+// *  Corporation; Unicode, Inc.; and others.  All Rights Reserved.
+// *
+// ***************************************************************************
+// File: root.txt
+// Only include:
+// For Chinese script detection:
+//   Chinese Simplified-Traditional and Traditional-Simplified transform
+//   rules, and their aliases Hans-Hant and Hant-Hans, respectively.
+
+root {
+    RuleBasedTransliteratorIDs {
+        Hans-Hant {
+            file {
+                resource:process(transliterator) {"Hans_Hant.txt"}
+                direction {"FORWARD"}
+            }
+        }
+        Hant-Hans {
+            file {
+                resource:process(transliterator) {"Hans_Hant.txt"}
+                direction {"REVERSE"}
+            }
+        }
+    }
+}