Update phpstan.neon

Co-authored-by: Romain B. <8530352+Rom1-B@users.noreply.github.com>

Author: Lainow

phpstan.neon

@@ -15,5 +15,3 @@ parameters:
     bootstrapFiles:
         - ../../stubs/glpi_constants.php
         - ../../vendor/autoload.php
-rules:
-    - GlpiProject\Tools\PHPStan\Rules\GlobalVarTypeRule