fix stream not returning data in node 21+ (#805)

Author: conico974

.changeset/fair-ducks-shake.md

@@ -0,0 +1,5 @@
+---
+"@opennextjs/aws": patch
+---
+
+fix stream not returning in node 21+

packages/open-next/src/overrides/wrappers/node.ts

@@ -13,7 +13,6 @@ const wrapper: WrapperHandler = async (handler, converter) => {
         res.setHeader("Set-Cookie", prelude.cookies);
         res.writeHead(prelude.statusCode, prelude.headers);
         res.flushHeaders();
-        res.uncork();
         return res;
       },
     };