Apply fixes from StyleCI

src/FulfilledPromise.php

@@ -14,9 +14,6 @@ final class FulfilledPromise implements Promise
      */
     private $result;
 
-    /**
-     * @param $result
-     */
     public function __construct($result)
     {
         $this->result = $result;

src/RejectedPromise.php

@@ -14,9 +14,6 @@ final class RejectedPromise implements Promise
      */
     private $exception;
 
-    /**
-     * @param \Exception $exception
-     */
     public function __construct(\Exception $exception)
     {
         $this->exception = $exception;