Updated php-cs-fixer config

Author: JeroenVanOort

.php_cs.dist

@@ -3,18 +3,14 @@
 return PhpCsFixer\Config::create()
  ->setRules([
  '@PSR2' => true,
- 'single_blank_line_before_namespace' => true,
- 'concat_space' => ['spacing' => 'one'],
- 'single_quote' => true,
- 'braces' => true,
+ '@Symfony' => true,
+ '@Symfony:risky' => true,
+ '@PHPUnit60Migration:risky' => true
  ])
-
  ->setFinder(
  PhpCsFixer\Finder::create()
  ->exclude('vendor')
  ->exclude('docs')
  ->in(__DIR__)
  )
-
  ->setRiskyAllowed(true);
-