cleanup

system/lib/wasmfs/thread_utils.h

diff --git a/system/lib/wasmfs/thread_utils.h b/system/lib/wasmfs/thread_utils.h
index 67f9d25..3e424da 100644
--- a/system/lib/wasmfs/thread_utils.h
+++ b/system/lib/wasmfs/thread_utils.h
@@ -143,7 +143,6 @@
   std::lock_guard<std::mutex> invokeLock(invokeMutex);
 
   // Send the work over.
-//  std::lock_guard<std::mutex> lock(mutex);
   std::unique_lock<std::mutex> lock(mutex);
   work = newWork;
   finishedWork = false;