Remove leftover code

Author: bklaric

src/Node/Stream/Writable.js

@@ -1,7 +1,5 @@
 "use strict";
 
-exports.undefined = undefined
-
 exports.defaultWritableHighWaterMark = function (stream) {
     return stream.writableHighWaterMark
 }

src/Node/Stream/Writable.purs

@@ -34,7 +34,7 @@ foreign import defaultUncork :: forall writable.
 foreign import defaultWrite :: forall writable.
     Foreign -> Effect Unit -> writable -> Effect Boolean
 
-foreign import defaultEnd :: forall writable effects.
+foreign import defaultEnd :: forall writable.
     Foreign -> Effect Unit -> writable -> Effect Boolean
 
 foreign import defaultDestroy :: forall writable.