del: comment out useless info

Author: zpfz

gulpfile.js

@@ -5,7 +5,7 @@ const uglify = require('gulp-uglify');
 const del = require('del');
 const connect = require('gulp-connect');
 const gutil = require('gulp-util');
-const babel = require('gulp-babel');
+// const babel = require('gulp-babel');
 const less = require('gulp-less');
 const minifyCss = require('gulp-minify-css');
 // const version = require('./package.json').version;