fixup: try perf

Author: ronag

lib/_stream_writable.js

@@ -185,15 +185,6 @@ function WritableState(options, stream, isDuplex) {
   this.corkedRequestsFree = corkReq;
 }
 
-ObjectDefineProperties(WritableState.prototype, {
-  // Backwards compat.
-  writing: {
-    get() {
-      return !!this.writecb;
-    }
-  }
-});
-
 WritableState.prototype.getBuffer = function getBuffer() {
   let current = this.bufferedRequest;
   const out = [];