Removed double empty line

Author: TimoBakx

reference/attributes.rst

@@ -117,7 +117,6 @@ Each validation constraint comes with a PHP attribute. See
 
 * :doc:`HasNamedArguments </validation/custom_constraint>`
 
-
 .. _`AsEntityAutocompleteField`: https://symfony.com/bundles/ux-autocomplete/current/index.html#usage-in-a-form-with-ajax
 .. _`AsLiveComponent`: https://symfony.com/bundles/ux-live-component/current/index.html
 .. _`AsTwigComponent`: https://symfony.com/bundles/ux-twig-component/current/index.html