Fix script to manage visibility of progress bar translations

After markup changes we need to update DOM selector used to hide/show
translations.

app/assets/javascripts/forms.js.coffee

@@ -44,10 +44,10 @@ App.Forms =
 
         if this.value == "primary"
           title_field.hide()
-          $("#globalize_locales").hide()
+          $(".globalize-languages").hide()
         else
           title_field.show()
-          $("#globalize_locales").show()
+          $(".globalize-languages").show()
 
     $("[name='progress_bar[kind]']").change()