Fixed missing used class

Author: yann-eugone

src/EnumRegistry.php

@@ -4,7 +4,6 @@
 
 namespace Yokai\EnumBundle;
 
-use Yokai\EnumBundle\Exception\DuplicatedEnumException;
 use Yokai\EnumBundle\Exception\InvalidArgumentException;
 use Yokai\EnumBundle\Exception\LogicException;