refactor: Remove deprecated View::$currentSection (#9403)

* refactor: Remove deprecated `View::$currentSection`

* docs: Update changelog

Author: neznaika0

system/View/View.php

@@ -124,16 +124,6 @@ class View implements RendererInterface
      */
     protected $sections = [];
 
-    /**
-     * The name of the current section being rendered,
-     * if any.
-     *
-     * @var string|null
-     *
-     * @deprecated
-     */
-    protected $currentSection;
-
     /**
      * The name of the current section being rendered,
      * if any.
@@ -420,8 +410,6 @@ public function extend(string $layout)
      */
     public function section(string $name)
     {
-        // Saved to prevent BC.
-        $this->currentSection = $name;
         $this->sectionStack[] = $name;
 
         ob_start();

user_guide_src/source/changelogs/v4.6.0.rst

@@ -200,6 +200,7 @@ Removed Deprecated Items
   ``clean_path()`` function instead.
 - **Router:** The deprecated ``CodeIgniter\Router\Exceptions\RedirectException`` has been removed. Use ``CodeIgniter\HTTP\Exceptions\RedirectException`` instead.
 - **Constants:** The deprecated constants ``EVENT_PRIORITY_*`` in has been removed. Use the class constants ``CodeIgniter\Events\Events::PRIORITY_LOW``, ``CodeIgniter\Events\Events::PRIORITY_NORMAL`` and ``CodeIgniter\Events\Events::PRIORITY_HIGH`` instead.
+- **View:** The deprecated property ``CodeIgniter\View\View::$currentSection`` has been removed.
 
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 Enhancements