Import: Remove unused WP_Importer::__construct() method.

Follow-up to [14760], [17771].

Props arshidkv12.
Fixes #65604.

git-svn-id: https://develop.svn.wordpress.org/trunk@62690 602fd350-edb4-49c9-b593-d223f7449a82

Author: SergeyBiryukov

src/wp-admin/includes/class-wp-importer.php

@@ -9,10 +9,6 @@
 
 #[AllowDynamicProperties]
 class WP_Importer {
-	/**
-	 * Class Constructor
-	 */
-	public function __construct() {}
 
 	/**
 	 * Returns array with imported permalinks from WordPress database.