commands: Removed unused cleanup function

command.go

@@ -135,14 +135,6 @@ func (c *Command) Call(req Request) Response {
 		}
 	}
 
-	// clean up the request (close the readers, e.g. fileargs)
-	// NOTE: this means commands can't expect to keep reading after cmd.Run returns (in a goroutine)
-	err = req.Cleanup()
-	if err != nil {
-		res.SetError(err, ErrNormal)
-		return res
-	}
-
 	res.SetOutput(output)
 	return res
 }

request.go

@@ -70,7 +70,6 @@ type Request interface {
 	Context() *Context
 	SetContext(Context)
 	Command() *Command
-	Cleanup() error
 
 	ConvertOptions() error
 }
@@ -174,11 +173,6 @@ func (r *request) Command() *Command {
 	return r.cmd
 }
 
-func (r *request) Cleanup() error {
-	// TODO
-	return nil
-}
-
 type converter func(string) (interface{}, error)
 
 var converters = map[reflect.Kind]converter{