Does not set global is_rtl variable

lib/Config/Initializer.php

@@ -170,7 +170,7 @@ class Initializer {
   }
 
   function setupLocalizer() {
-    $localizer = new Localizer($this->renderer);
+    $localizer = new Localizer();
     $localizer->init();
   }
 

lib/Config/Localizer.php

@@ -1,32 +1,21 @@
 <?php
+
 namespace MailPoet\Config;
 
 if(!defined('ABSPATH')) exit;
 
 class Localizer {
-  function __construct($renderer) {
-    $this->renderer = $renderer;
-  }
-
   function init() {
-    add_action(
-      'init',
-      array($this, 'setup')
-    );
-  }
-
-  function setup() {
     $this->loadGlobalText();
     $this->loadPluginText();
-    $this->setGlobalRtl();
   }
 
   function loadGlobalText() {
-    $language_path =
-      Env::$languages_path
-      . '/'
-      . $this->locale()
-      . '.mo';
+    $language_path = sprintf(
+      '%s/%s.mo',
+      Env::$languages_path,
+      $this->locale()
+    );
     load_textdomain(Env::$plugin_name, $language_path);
   }
 
@@ -38,10 +27,6 @@ class Localizer {
     );
   }
 
-  function setGlobalRtl() {
-    $this->renderer->addGlobal('is_rtl', is_rtl());
-  }
-
   function locale() {
     $locale = apply_filters(
       'plugin_locale',

lib/Config/Renderer.php

@@ -34,7 +34,6 @@ class Renderer {
 
     $this->assets_manifest_js = $this->getAssetManifest(Env::$assets_path . '/js/manifest.json');
     $this->assets_manifest_css = $this->getAssetManifest(Env::$assets_path . '/css/manifest.json');
-
     $this->setupDebug();
     $this->setupTranslations();
     $this->setupFunctions();
@@ -112,10 +111,6 @@ class Renderer {
     }
   }
 
-  function addGlobal($key, $value) {
-    return $this->renderer->addGlobal($key, $value);
-  }
-
   function getAssetManifest($manifest_file) {
     return (is_readable($manifest_file)) ?
       json_decode(file_get_contents($manifest_file), true) :