minor #6127 Remove 2nd parameter to XdebugHandler constructor (phil-davis)

This PR was merged into the master branch.

Discussion
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Remove 2nd parameter to XdebugHandler constructor

It was removed in https://github.com/composer/xdebug-handler/pull/123  `composer/XdebugHandler` v2.
Issue https://github.com/composer/xdebug-handler/issues/131 has some discussion.

Commits
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005907eb8 Remove 2nd parameter to XdebugHandler constructor

php-cs-fixer

@@ -107,7 +107,7 @@ use Composer\XdebugHandler\XdebugHandler;
 use PhpCsFixer\Console\Application;
 
 // Restart if xdebug is loaded, unless the environment variable PHP_CS_FIXER_ALLOW_XDEBUG is set.
-$xdebug = new XdebugHandler('PHP_CS_FIXER', '--ansi');
+$xdebug = new XdebugHandler('PHP_CS_FIXER');
 $xdebug->check();
 unset($xdebug);