trivial-gray-streams.asd : remove unnecessary package trivial-gray-streams-system

trivial-gray-streams.asd

@@ -1,9 +1,5 @@
 ;;; -*- mode: lisp -*-
 
-(defpackage :trivial-gray-streams-system
-(:use :cl :asdf))
-(in-package :trivial-gray-streams-system)
-
 (defsystem :trivial-gray-streams
   :serial t
   :components ((:file "package") (:file "mixin")))