Trim ICU data to reduce the download size/memory usage

icu52/source/data/curr/mer.txt

 // ***************************************************************************
 // *
 // * Copyright (C) 2013 International Business Machines
 // * Corporation and others. All Rights Reserved.
 // * Tool: org.unicode.cldr.icu.NewLdml2IcuConverter
 // * Source File: <path>/common/main/mer.xml
 // *
 // ***************************************************************************
 /**
  * ICU <specials> source: <path>/common/main/mer.xml
@@ skipping 65 matching lines @@
             "Bĩrũ ya Ithiopia",
         }
         EUR{
             "€",
             "Yuro",
         }
         GBP{
             "£",
             "Paũndi ya Ngeretha",
         }
-        GHC{
-            "GHC",
-            "Sedi ya Ghana",
-        }
         GMD{
             "GMD",
             "Dalasi ya Gambia",
         }
         GNS{
             "GNS",
             "Faranga ya Gine",
         }
         INR{
             "₹",
@@ skipping 36 matching lines @@
             "Ugwiya ya Mauritania",
         }
         MUR{
             "MUR",
             "Rupia ya Maurĩtiasi",
         }
         MWK{
             "MWK",
             "Kwacha ya Malawi",
         }
-        MZM{
-            "MZM",
-            "Metikali ya Mozambĩkĩ",
-        }
         NAD{
             "NAD",
             "Dola ya Namibia",
         }
         NGN{
             "NGN",
             "Naira ya Nijeria",
         }
         RWF{
             "RWF",
@@ skipping 52 matching lines @@
             "Faranga CFA BEAC",
         }
         XOF{
             "CFA",
             "Faranga CFA BCEAO",
         }
         ZAR{
             "ZAR",
             "Randi ya Afrika ya Sauthi",
         }
-        ZMK{
-            "ZMK",
-            "Kwacha ya Zambia (1968–2012)",
-        }
         ZMW{
             "ZMW",
             "Kwacha ya Zambia",
         }
-        ZWD{
-            "ZWD",
-            "Dola ya Zimbabwe",
-        }
     }
     Version{"2.0.92.87"}
 }