Apply fixes from StyleCI (#19)

Co-authored-by: David Buchmann <dbu@users.noreply.github.com>

Author: dbu

src/StopwatchPlugin.php

@@ -24,9 +24,6 @@ final class StopwatchPlugin implements Plugin
      */
     private $stopwatch;
 
-    /**
-     * @param Stopwatch $stopwatch
-     */
     public function __construct(Stopwatch $stopwatch)
     {
         $this->stopwatch = $stopwatch;
@@ -51,8 +48,6 @@ protected function doHandleRequest(RequestInterface $request, callable $next, ca
     /**
      * Generates the event name.
      *
-     * @param RequestInterface $request
-     *
      * @return string
      */
     private function getStopwatchEventName(RequestInterface $request)