refactor: Fix phpstan method.notFound for EventsTest

Author: neznaika0

utils/phpstan-baseline/method.notFound.neon

@@ -77,11 +77,6 @@ parameters:
             count: 3
             path: ../../tests/system/Debug/ExceptionHandlerTest.php
 
-        -
-            message: '#^Call to an undefined method CodeIgniter\\Events\\Events\:\:unInitialize\(\)\.$#'
-            count: 1
-            path: ../../tests/system/Events/EventsTest.php
-
         -
             message: '#^Call to an undefined method CodeIgniter\\HTTP\\Request\:\:getCookie\(\)\.$#'
             count: 2