common: Fix default local (en_US.UTF-8 UTF-8 is invalid for LANG)

modules-ldn/common/manifests/init.pp

@@ -35,7 +35,7 @@ class common {
   }
 
   class {'locales':
-    default_locale => 'en_US.UTF-8 UTF-8',
+    default_locale => 'en_US.UTF-8',
     locales        => hiera("locales")
   }