Fix JSHint errors

view/presenter/task.js

@@ -1,21 +1,20 @@
 // This file is part of pa11y-dashboard.
-// 
+//
 // pa11y-dashboard is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
-// 
+//
 // pa11y-dashboard is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
-// 
+//
 // You should have received a copy of the GNU General Public License
 // along with pa11y-dashboard.  If not, see <http://www.gnu.org/licenses/>.
 
 'use strict';
 
-var _ = require('underscore');
 var presentIgnoreRules = require('./ignore');
 var presentResult = require('./result');