Close "duplicated countries listed in currency selection" (https://issues.apache.org/jira/browse/OFBIZ-3246) As explained in OFBIZ-3246, RMB is not ISO, CNY is. I kept the lines (only commented out)
ofbiz/trunk/framework/common/config/CommonEntityLabels.xml
ofbiz/trunk/framework/common/data/CurrencyData.xml