remove normalization

Author: garak

src/DependencyInjection/Configuration.php

@@ -55,10 +55,6 @@ public function getConfigTreeBuilder(): TreeBuilder
                     ->ifTrue(static fn (mixed $v): bool => null !== $v && !\is_int($v))
                     ->thenInvalid('The page_limit must be an integer or null.')
                 ->end()
-                ->beforeNormalization()
-                ->ifNull()
-                ->then(static fn (mixed $v): int => 5)
-                ->end()
                 ->end()
                 ->booleanNode('convert_exception')
                 ->defaultFalse()