Delete redundant code

src/Protocols/Http.php

@@ -16,12 +16,10 @@ declare(strict_types=1);
 
 namespace Workerman\Protocols;
 
-use Throwable;
 use Workerman\Connection\TcpConnection;
 use Workerman\Protocols\Http\Request;
 use Workerman\Protocols\Http\Response;
 use function clearstatcache;
-use function count;
 use function explode;
 use function filesize;
 use function fopen;
@@ -32,7 +30,6 @@ use function in_array;
 use function ini_get;
 use function is_array;
 use function is_object;
-use function key;
 use function preg_match;
 use function strlen;
 use function strpos;
@@ -135,23 +132,9 @@ class Http
      */
     public static function decode(string $buffer, TcpConnection $connection): Request
     {
-        static $requests = [];
-        if (isset($requests[$buffer])) {
-            $request = clone $requests[$buffer];
-            $request->connection = $connection;
-            $connection->request = $request;
-            $request->properties = [];
-            return $request;
-        }
         $request = new static::$requestClass($buffer);
         $request->connection = $connection;
         $connection->request = $request;
-        if (!isset($buffer[TcpConnection::MAX_CACHE_STRING_LENGTH])) {
-            $requests[$buffer] = $request;
-            if (count($requests) > TcpConnection::MAX_CACHE_SIZE) {
-                unset($requests[key($requests)]);
-            }
-        }
         return $request;
     }