Don't implement RequiresPackage interface

Because php-amqplib dependency is required by composer.json
This code was leftover from time when this module was bundled with Codeception and php-amqplib was an optional dependency

Author: Naktibalda

src/Codeception/Module/AMQP.php

@@ -2,7 +2,6 @@
 namespace Codeception\Module;
 
 use Codeception\Exception\ModuleException;
-use Codeception\Lib\Interfaces\RequiresPackage;
 use Codeception\Module as CodeceptionModule;
 use Codeception\TestInterface;
 use Exception;
@@ -46,7 +45,7 @@
  *
  * * connection - AMQPStreamConnection - current connection
  */
-class AMQP extends CodeceptionModule implements RequiresPackage
+class AMQP extends CodeceptionModule
 {
     protected $config = [
         'host'           => 'localhost',
@@ -71,11 +70,6 @@ class AMQP extends CodeceptionModule implements RequiresPackage
 
     protected $requiredFields = ['host', 'username', 'password', 'vhost'];
 
-    public function _requires()
-    {
-        return ['PhpAmqpLib\Connection\AMQPStreamConnection' => '"php-amqplib/php-amqplib": "~2.4"'];
-    }
-
     public function _initialize()
     {
         $host = $this->config['host'];