Revert "Fix the unused local variable issue"

This reverts commit a386bf5 as it does not fix the issue as expected.

src/Rest.php

@@ -284,13 +284,6 @@ private static function getRetryDecider()
             Response $response = null,
             RequestException $exception = null
         ) {
-            /**
-             * @var mixed This variable has the sole purpose of shutting codeclimate up.
-             * Listen codeclimate, I know it's stupid, but play stupid games, win stupid prizes, eh?
-             * Can be removed safely after codeclimate is configured to ignore this single instance of
-             * "avoid unused local variables such as $request"
-             */
-            $garbage = $request;
             $returnValue = null;
             // if we failed more than MAX_RETRIES times, we give up
             if ($retries >= self::MAX_RETRIES) {