a few changes to make A/B testing easier

scripts/version.js

@@ -1,21 +0,0 @@
-const fs = require('fs');
-const path = require('path');
-const pkg = require('../package.json');
-const mkdirp = require('mkdirp');
-
-let commit;
-
-try {
-  commit = require('git-rev-sync').short();
-} catch (err) {
-  // Whatever...
-}
-
-const filename = path.join(__dirname, '..', 'dist', 'public', 'version.json');
-const filedata = {
-  commit,
-  source: pkg.homepage,
-  version: process.env.CIRCLE_TAG || `v${pkg.version}`
-};
-mkdirp.sync(path.dirname(filename));
-fs.writeFileSync(filename, JSON.stringify(filedata, null, 2) + '\n');