Removed redundant method _beforeToHtml

Author: Usik2203

app/code/Magento/Newsletter/Block/Adminhtml/Subscriber.php

@@ -11,13 +11,16 @@
  */
 namespace Magento\Newsletter\Block\Adminhtml;
 
+use Magento\Backend\Block\Template;
+use Magento\Backend\Block\Template\Context;
 use Magento\Newsletter\Model\ResourceModel\Queue\Collection;
+use Magento\Newsletter\Model\ResourceModel\Queue\CollectionFactory;
 
 /**
  * @api
  * @since 100.0.2
  */
-class Subscriber extends \Magento\Backend\Block\Template
+class Subscriber extends Template
 {
     /**
      * Queue collection
@@ -32,34 +35,24 @@ class Subscriber extends \Magento\Backend\Block\Template
     protected $_template = 'Magento_Newsletter::subscriber/list.phtml';
 
     /**
-     * @var \Magento\Newsletter\Model\ResourceModel\Queue\CollectionFactory
+     * @var CollectionFactory
      */
     protected $_collectionFactory;
 
     /**
-     * @param \Magento\Backend\Block\Template\Context $context
-     * @param \Magento\Newsletter\Model\ResourceModel\Queue\CollectionFactory $collectionFactory
+     * @param Context $context
+     * @param CollectionFactory $collectionFactory
      * @param array $data
      */
     public function __construct(
-        \Magento\Backend\Block\Template\Context $context,
-        \Magento\Newsletter\Model\ResourceModel\Queue\CollectionFactory $collectionFactory,
+        Context $context,
+        CollectionFactory $collectionFactory,
         array $data = []
     ) {
         $this->_collectionFactory = $collectionFactory;
         parent::__construct($context, $data);
     }
 
-    /**
-     * Prepares block to render
-     *
-     * @return $this
-     */
-    protected function _beforeToHtml()
-    {
-        return parent::_beforeToHtml();
-    }
-
     /**
      * Return queue collection with loaded neversent queues
      *
@@ -68,7 +61,7 @@ protected function _beforeToHtml()
     public function getQueueCollection()
     {
         if ($this->_queueCollection === null) {
-            /** @var $this->_queueCollection \Magento\Newsletter\Model\ResourceModel\Queue\Collection */
+            /** @var $this->_queueCollection Collection */
             $this->_queueCollection = $this
                 ->_collectionFactory
                 ->create()