Remove specific code for WP 6.2 and lower

[MAILPOET-5713]

mailpoet/lib/Form/AssetsController.php

@@ -83,12 +83,6 @@ class AssetsController {
       'strategy' => 'defer',
     ];
 
-    // BC for WP < 6.3 - Can be removed after we drop support for WP 6.2
-    global $wp_version;
-    if (version_compare($wp_version, '6.3', '<')) {
-      $enqueuePlacementParams = true;
-    }
-    
     $this->wp->wpEnqueueScript(
       'mailpoet_public',
       Env::$assetsUrl . '/dist/js/' . $this->renderer->getJsAsset('public.js'),