fix: remove declare(strict_types=1)

Author: kenjis

system/View/Parser.php

@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 /**
  * This file is part of CodeIgniter 4 framework.
  *
@@ -618,6 +616,7 @@ protected function applyFilters(string $replace, array $filters): string
             }
 
             // Filter it....
+            // We can't know correct param types, so can't set `declare(strict_types=1)`.
             $replace = $this->config->filters[$filter]($replace, ...$param);
         }