Remove double use Statement

Syntax Error in Helper/QuestionHelper.php

Author: Jan Emrich

src/Symfony/Component/Console/Helper/QuestionHelper.php

@@ -19,7 +19,6 @@
 use Symfony\Component\Console\Formatter\OutputFormatterStyle;
 use Symfony\Component\Console\Question\Question;
 use Symfony\Component\Console\Question\ChoiceQuestion;
-use Symfony\Component\Console\Exception\RuntimeException;
 
 /**
  * The QuestionHelper class provides helpers to interact with the user.