code: function (app, callback) {
      var options = {
        dir: configHelpers.getModulesPath(),
        prefix: ''
      };
      npm.load(options, function () {
        npm.commands.uninstall([app], callback);
      });
    }
docs: Remove application source and dependencies using NPM lib.
  
  @param {String} app App to fetch from NPM.
  @param {Function} callback Callback to run once work is done.