Remove asynchronous channel on RESTStorage interfaces

pkg/apiserver/async.go

@@ -45,28 +45,3 @@ func MakeAsync(fn WorkFunc) <-chan RESTResult {
 	}()
 	return channel
 }
-
-// WorkFunc is used to perform any time consuming work for an api call, after
-// the input has been validated. Pass one of these to MakeAsync to create an
-// appropriate return value for the Update, Delete, and Create methods.
-type WorkResultFunc func() (result RESTResult, err error)
-
-// MakeAsync takes a function and executes it, delivering the result in the way required
-// by RESTStorage's Update, Delete, and Create methods.
-func MakeAsyncResult(fn WorkResultFunc) <-chan RESTResult {
-	channel := make(chan RESTResult)
-	go func() {
-		defer util.HandleCrash()
-		obj, err := fn()
-		if err != nil {
-			channel <- RESTResult{Object: errToAPIStatus(err)}
-		} else {
-			channel <- obj
-		}
-		// 'close' is used to signal that no further values will
-		// be written to the channel. Not strictly necessary, but
-		// also won't hurt.
-		close(channel)
-	}()
-	return channel
-}