.php_cs is unused (#5056)

.php_cs

@@ -1,15 +0,0 @@
-<?php
-// PHP CS Fixer config file
-
-
-$finder = Symfony\CS\Finder\DefaultFinder::create()
-    ->exclude('html/lib')
-    ->exclude('lib')
-    ->exclude('logs')
-    ->exclude('mibs')
-    ->exclude('rrd')
-    ->in(__DIR__);
-
-return Symfony\CS\Config\Config::create()
-    ->level(Symfony\CS\FixerInterface::PSR2_LEVEL)
-    ->finder($finder);