Remove superfluous parentheses

src/MD_STD_CACHE.php

@@ -72,7 +72,7 @@ public static function serve_page_through_redis_cache(string $redisKey, int $exp
 
             ob_start();
 
-            if (($redisResult = $redis->get($redisKey))) {
+            if ($redisResult = $redis->get($redisKey)) {
 
                 if (strlen($redisResult) > 3 and strpos($redisResult, ' id="errorPage"') === false) {
                     $redis->close();