module.exports = {
    files: [
        'Gruntfile.js',
        '<%= scaffold.dev.assets %>/js/**/*.js',
        '<%= scaffold.grunt %>/**/*.js',
        '!<%= scaffold.dev.assets %>/js/vendor/**/*'
    ],
    options: {
        jshintrc: '.jshintrc',
        reporter: require('jshint-stylish')
    }
};

@@ -141,62 +141,8 @@
 .js'
-,%0A        '!%3C%25= scaffold.dev.assets %25%3E/js/vendor/**/*'
 %0A   

Remove vendor folder