fix npmci command

ts/npmci.command.ts

@@ -2,7 +2,7 @@ import "typings-global";
 import * as plugins from "./npmci.plugins";
 import {bash} from "./npmci.bash";
 
-export let command = (commandArg) => {
+export let command = () => {
     let done = plugins.q.defer()
     console.log(process.argv);
     done.resolve();