minor symfony#20414 [Console] Fix double use Statement (Jan Emrich)

This PR was merged into the 2.8 branch.

Discussion
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[Console] Fix double use Statement

| Q             | A
| ------------- | ---
| Branch?       | 2.8
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT

Commits
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c3dacbb Remove double use Statement

Author: fabpot

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.