remove nonsense dep

build/build.js

@@ -1,36 +1,36 @@
 // https://github.com/shelljs/shelljs
-require('./check-versions')()
-require('shelljs/global')
-env.NODE_ENV = 'production'
+require("./check-versions")();
+require("shelljs/global");
+env.NODE_ENV = "production";
 
-var path = require('path')
-var config = require('../config')
-var ora = require('ora')
-var webpack = require('webpack')
-var webpackConfig = require('./webpack.prod.conf')
+var path = require("path");
+var config = require("../config");
+var webpack = require("webpack");
+var webpackConfig = require("./webpack.prod.conf");
 
 console.log(
-  '  Tip:\n' +
-  '  Built files are meant to be served over an HTTP server.\n' +
-  '  Opening index.html over file:// won\'t work.\n'
-)
+  "  Tip:\n" +
+    "  Built files are meant to be served over an HTTP server.\n" +
+    "  Opening index.html over file:// won't work.\n",
+);
 
-var spinner = ora('building for production...')
-spinner.start()
-
-var assetsPath = path.join(config.build.assetsRoot, config.build.assetsSubDirectory)
-rm('-rf', assetsPath)
-mkdir('-p', assetsPath)
-cp('-R', 'static/*', assetsPath)
+var assetsPath = path.join(
+  config.build.assetsRoot,
+  config.build.assetsSubDirectory,
+);
+rm("-rf", assetsPath);
+mkdir("-p", assetsPath);
+cp("-R", "static/*", assetsPath);
 
 webpack(webpackConfig, function (err, stats) {
-  spinner.stop()
-  if (err) throw err
-  process.stdout.write(stats.toString({
+  if (err) throw err;
+  process.stdout.write(
+    stats.toString({
       colors: true,
       modules: false,
       children: false,
       chunks: false,
-    chunkModules: false
-  }) + '\n')
-})
+      chunkModules: false,
+    }) + "\n",
+  );
+});