cs: Use Collection more.

src/Bundle/ChillPersonBundle/Config/ConfigPersonAltNamesHelper.php

@@ -11,8 +11,6 @@ declare(strict_types=1);
 
 namespace Chill\PersonBundle\Config;
 
-use function count;
-
 /**
  * Give help to interact with the config for alt names.
  */
@@ -69,6 +67,6 @@ class ConfigPersonAltNamesHelper
      */
     public function hasAltNames(): bool
     {
-        return count($this->config) > 0;
+        return [] !== $this->config;
     }
 }