Merge pull request #2018 from pierredup/locale_fix_2.0

[Locale] Removed unavailable methods

Author: weaverryan

components/locale.rst

@@ -65,8 +65,4 @@ When using the ClassLoader component following code is sufficient to supplement
     $locales = Locale::getDisplayLocales('en');
     $localeCodes = Locale::getLocales();
 
-    // Get ICU versions
-    $icuVersion = Locale::getIcuVersion();
-    $icuDataVersion = Locale::getIcuDataVersion();
-
 .. _Packagist: https://packagist.org/packages/symfony/locale