switch to length fn

remove.ce

@@ -17,7 +17,7 @@ var target_pkg = null
 var prune = false
 var dry_run = false
 
-for (var i = 0; i < args.length; i++) {
+for (var i = 0; i < length(args); i++) {
   if (args[i] == '--prune') {
     prune = true
   } else if (args[i] == '--dry-run') {
@@ -99,7 +99,7 @@ if (dry_run) {
     shop.remove(p)
   })
 
-  log.console("Removed " + text(packages_to_remove.length) + " package(s).")
+  log.console("Removed " + text(length(packages_to_remove)) + " package(s).")
 }
 
 $stop()