refactor(bin): cleanup ng bin (angular#495)

Author: cgmartin

bin/ng

@@ -8,7 +8,6 @@ const resolve = require('resolve');
 const exit = require('exit');
 const packageJson = require('../package.json');
 const Leek = require('leek');
-const fs = require('fs');
 
 resolve('angular-cli', { basedir: process.cwd() },
   function (error, projectLocalCli) {
@@ -29,10 +28,6 @@ resolve('angular-cli', { basedir: process.cwd() },
       cli = cli['default'];
     }
 
-    if ('default' in cli) {
-      cli = cli['default'];
-    }
-
     cli({
       cliArgs: process.argv.slice(2),
       inputStream: process.stdin,