Fix license (#12)

.phive/phars.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phive xmlns="https://phar.io/phive">
-  <phar name="php-cs-fixer" version="^3.8.0" installed="3.13.0" location="./tools/php-cs-fixer" copy="false"/>
+  <phar name="php-cs-fixer" version="^3.13.0" installed="3.13.0" location="./tools/php-cs-fixer" copy="false"/>
   <phar name="infection" version="^0.26.16" installed="0.26.16" location="./tools/infection" copy="false"/>
   <phar name="composer-normalize" version="^2.28.3" installed="2.28.3" location="./tools/composer-normalize" copy="false"/>
 </phive>

src/CpuCoreCounter.php

@@ -11,15 +11,6 @@
 
 declare(strict_types=1);
 
-/**
- * Copyright (c) 2017-2022 Andreas Möller.
- *
- * For the full copyright and license information, please view
- * the LICENSE.md file that was distributed with this source code.
- *
- * @see https://github.com/ergebnis/php-package-template
- */
-
 namespace Fidry\CpuCounter;
 
 use function count;