use Intl.PluralRules instead of packaging CLDR (#185)

* use Intl.PluralRules instead of packaging CLDR

* add intl-pluralrules to devDeps since Intl.js has not released a new version with PluralRules yet

* rm CHANGELOG.md

Author: longlho

Gruntfile.js

@@ -30,7 +30,7 @@ module.exports = function (grunt) {
 
         extract_cldr_data: {
             options: {
-                pluralRules: true
+                pluralRules: false
             },
 
             src_en: {

dist/intl-messageformat-with-locales.js

@@ -1,2 +1,2 @@
-IntlMessageFormat.__addLocaleData({"locale":"af","pluralRuleFunction":function(n,ord){if(ord)return"other";return n==1?"one":"other"}});
+IntlMessageFormat.__addLocaleData({"locale":"af"});
 IntlMessageFormat.__addLocaleData({"locale":"af-NA","parentLocale":"af"});