Trim ICU data to reduce the download size/memory usage

icu52/source/data/curr/cy.txt

 // ***************************************************************************
 // *
 // * Copyright (C) 2013 International Business Machines
 // * Corporation and others. All Rights Reserved.
 // * Tool: org.unicode.cldr.icu.NewLdml2IcuConverter
 // * Source File: <path>/common/main/cy.xml
 // *
 // ***************************************************************************
 /**
  * ICU <specials> source: <path>/common/main/cy.xml
@@ skipping 617 matching lines @@
             "Arian Cyfredol Anhysbys",
         }
         YER{
             "YER",
             "Rial Yemen",
         }
         ZAR{
             "ZAR",
             "Rand De Affrica",
         }
-        ZMK{
-            "ZMK",
-            "Kwacha Zambia (1968–2012)",
-        }
         ZMW{
             "ZMW",
             "Kwacha Zambia",
         }
     }
     CurrencyPlurals{
         AED{
             few{"Dirham Yr Emiradau Arabaidd Unedig"}
             many{"Dirham Yr Emiradau Arabaidd Unedig"}
             one{"Dirham Yr Emiradau Arabaidd Unedig"}
@@ skipping 1234 matching lines @@
             zero{"Rial Yemen"}
         }
         ZAR{
             few{"Rand De Affrica"}
             many{"Rand De Affrica"}
             one{"Rand De Affrica"}
             other{"Rand De Affrica"}
             two{"Rand De Affrica"}
             zero{"Rand De Affrica"}
         }
-        ZMK{
-            few{"Kwacha Zambia (1968–2012)"}
-            many{"Kwacha Zambia (1968–2012)"}
-            one{"Kwacha Zambia (1968–2012)"}
-            other{"Kwacha Zambia (1968–2012)"}
-            two{"Kwacha Zambia (1968–2012)"}
-            zero{"Kwacha Zambia (1968–2012)"}
-        }
         ZMW{
             few{"Kwacha Zambia"}
             many{"Kwacha Zambia"}
             one{"Kwacha Zambia"}
             other{"Kwacha Zambia"}
             two{"Kwacha Zambia"}
             zero{"Kwacha Zambia"}
         }
     }
     CurrencyUnitPatterns{
         few{"{0} {1}"}
         many{"{0} {1}"}
         one{"{0} {1}"}
         other{"{0} {1}"}
         two{"{0} {1}"}
         zero{"{0} {1}"}
     }
     Version{"2.0.93.7"}
 }