fix(qoder): remove orphaned code causing build failure

Removed leftover code from incomplete edit that caused syntax error.

open-sse/executors/qoder.js

@@ -378,26 +378,6 @@ async function wrapQoderSSE(response, model) {
     },
   });
 }
-        controller.close();
-      } else {
-        controller.enqueue(value);
-      }
-    },
-    cancel() {
-      reader.cancel();
-    }
-  });
-
-  const transformed = remainingStream.pipeThrough(transform);
-  return new Response(transformed, {
-    status: response.status,
-    statusText: response.statusText,
-    headers: {
-      "Content-Type": "text/event-stream",
-      "Cache-Control": "no-cache",
-    },
-  });
-}
 
 export class QoderExecutor extends BaseExecutor {
   constructor() {