frontend: Use CLC rather than ASDF.

diff --git a/zone b/zone
index 6757186..de68201 100755 (executable)
--- a/zone
+++ b/zone
@@ -1,6 +1,6 @@
 #! /usr/local/bin/runlisp
 ;;; -*-lisp-*-
 
-(asdf:operate 'asdf:load-op "mdw" :verbose nil)
-(asdf:operate 'asdf:load-op "zone" :verbose nil)
+(clc:clc-require "mdw")
+(clc:clc-require "zone")
 (zone.frontend:main)