docs: Update changelog, userguide

Author: neznaika0

user_guide_src/source/changelogs/v4.6.0.rst

@@ -198,7 +198,8 @@ Removed Deprecated Items
 - **Logger:** The deprecated ``CodeIgniter\Log\Logger::cleanFilenames()`` and
   ``CodeIgniter\Test\TestLogger::cleanup()`` have been removed. Use the
   ``clean_path()`` function instead.
-  **Router:** The deprecated ``CodeIgniter\Router\Exceptions\RedirectException`` has been removed. Use ``CodeIgniter\HTTP\Exceptions\RedirectException`` 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.
 
 ************
 Enhancements

user_guide_src/source/extending/events.rst

@@ -51,7 +51,7 @@ but you might find they aid readability:
 
 .. literalinclude:: events/004.php
 
-.. important:: The constants ``EVENT_PRIORITY_LOW``, ``EVENT_PRIORITY_NORMAL`` and ``EVENT_PRIORITY_HIGH`` are deprecated, and the definitions are moved to ``app/Config/Constants.php``. These will be removed in future releases.
+.. important:: The constants ``EVENT_PRIORITY_LOW``, ``EVENT_PRIORITY_NORMAL`` and ``EVENT_PRIORITY_HIGH`` are has been removed in v4.6.0.
 
 Once sorted, all subscribers are executed in order. If any subscriber returns a boolean false value, then execution of
 the subscribers will stop.

user_guide_src/source/installation/upgrade_460.rst

@@ -221,4 +221,5 @@ All Changes
 This is a list of all files in the **project space** that received changes;
 many will be simple comments or formatting that have no effect on the runtime:
 
-- app/Config/Feature.php
+- app/Config/Feature.php
+- app/Config/Constants.php