This option had been removed in v2.0, linter is enabled and can't be disabled. Don't worry - under PHP 7 it has no performance impact
@@ -20,7 +20,6 @@ $finder = PhpCsFixer\Finder::create()
return PhpCsFixer\Config::create()
->setUsingCache(true)
- //->setUsingLinter(false)
->setRiskyAllowed(true)
->setRules(array(
'@PSR2' => true,