[!!!][TASK] Remove deprecated fluid RenderingContext request get&set (#5037)

Resolves: TYPO3-Documentation/Changelog-To-Doc#1128
Releases: main

Author: linawolf

Documentation/ApiOverview/RequestLifeCycle/Typo3Request.rst

@@ -70,9 +70,8 @@ The request object compatible with the PSR-7
 ViewHelper
 ----------
 
-..  deprecated:: 13.3
-    The following methods have been marked as deprecated in TYPO3 v13.3 and will
-    be removed with TYPO3 v14:
+..  versionchanged:: 14.0
+    The following methods have been removed with TYPO3 v14:
 
     * :php:`TYPO3\CMS\Fluid\Core\Rendering\RenderingContext->setRequest()`
     * :php:`TYPO3\CMS\Fluid\Core\Rendering\RenderingContext->getRequest()`
@@ -84,12 +83,6 @@ it is set.
 ..  literalinclude:: _CodeSnippets/_ViewHelper.php
     :caption: EXT:my_extension/Classes/ViewHelpers/MyViewHelper.php
 
-To stay compatible to previous TYPO3 versions while avoiding deprecation notices,
-the following code can be used:
-
-..  literalinclude:: _CodeSnippets/_ViewHelperV12.php
-    :caption: EXT:my_extension/Classes/ViewHelpers/MyViewHelper.php
-
 ..  _typo3-request-user-function:
 
 User function

Documentation/ApiOverview/RequestLifeCycle/_CodeSnippets/_ViewHelperV12.php

@@ -14,10 +14,7 @@ public function __construct(private UriBuilder $uriBuilder) {}
 
     public function render(): string
     {
-        if (method_exists($this->renderingContext, 'getRequest')) {
-            // TYPO3 v12 compatibility
-            $request = $this->renderingContext->getRequest();
-        } elseif ($this->renderingContext->hasAttribute(ServerRequestInterface::class)) {
+        if ($this->renderingContext->hasAttribute(ServerRequestInterface::class)) {
             // TYPO3 v13+ compatibility
             $request = $this->renderingContext->getAttribute(ServerRequestInterface::class);
         } else {