php style fixes

src/Bundle/ChillPersonBundle/Entity/Person.php

@@ -1409,9 +1409,6 @@ class Person implements HasCenterInterface, TrackCreationInterface, TrackUpdateI
         return $this;
     }
 
-    /**
-     * @param \DateTime $birthdate
-     */
     public function setBirthdate(?\DateTime $birthdate): self
     {
         $this->birthdate = $birthdate;