zone: Use cl-launch.

It's very shiny!

diff --git a/zone b/zone
index a5708da..be7ac0d 100755 (executable)
--- a/zone
+++ b/zone
@@ -1,5 +1,2 @@
-#! /usr/local/bin/runlisp
-;;; -*-lisp-*-
-
-(asdf:oos 'asdf:load-op "zone" :verbose nil)
-(zone.frontend:main)
+#! /bin/sh
+exec cl-launch -s zone -i '(zone.frontend:main)' -- "$0" "$@"