[TASK] Remove useless AfterMailerInitializationEvent #1177 (#5147)

* [TASK] Remove useless AfterMailerInitializationEvent
 #1177

Releases: main

* Remove event completely

Releases: main

---------

Co-authored-by: lina.wolf <lwolf@w-commerce.de>

Author: sarahmccarthy123

Documentation/ApiOverview/Events/EventDispatcher/Index.rst

@@ -302,8 +302,8 @@ The custom PHP class :php:`\MyVendor\MyExtension\EventListener\NullMailer`
 serves as the listener whose :php:`handleEvent()` method is called, once the
 :yaml:`event` is dispatched. The name of the listened event is specified as
 a typed argument to that dispatch method.
-:php:`handleEvent(\TYPO3\CMS\Core\Mail\Event\AfterMailerInitializationEvent $event)` will
-for example listen on the event `AfterMailerInitializationEvent`.
+:php:`handleEvent(\TYPO3\CMS\Core\Mail\Event\BeforeMailerSentMessageEvent $event)` will
+for example listen on the event `BeforeMailerSentMessageEvent`.
 
 The :yaml:`identifier` is a common name, so
 orderings can be built upon the identifier, the optional :yaml:`before` and

Documentation/ApiOverview/Events/Events/Core/Mail/AfterMailerInitializationEvent.rst

@@ -609,7 +609,6 @@ PSR-14 events on sending messages
 
 Some PSR-14 events are available:
 
--   :ref:`AfterMailerInitializationEvent` to add custom mailing settings.
 -   :ref:`BeforeMailerSentMessageEvent` to manipulate messages before they are
     sent by the mailer.
 -   :ref:`AfterMailerSentMessageEvent` to further process a sent message.

Documentation/ApiOverview/Events/Events/Core/Mail/_AfterMailerInitializationEvent/_MyEventListener.php

@@ -55,12 +55,6 @@
         'targetFileName' => 'CodeSnippets/Events/Core/BrokenLinkAnalysisEvent.rst.txt',
         'withCode' => false,
     ],
-    [
-        'action' => 'createPhpClassDocs',
-        'class' => \TYPO3\CMS\Core\Mail\Event\AfterMailerInitializationEvent::class,
-        'targetFileName' => 'CodeSnippets/Events/Core/AfterMailerInitializationEvent.rst.txt',
-        'withCode' => false,
-    ],
     [
         'action' => 'createPhpClassDocs',
         'class' => \TYPO3\CMS\Core\Package\Event\AfterPackageActivationEvent::class,