chore: Update dev server hot-reload

Author: rstoenescu

build/hot-reload.js

@@ -1,9 +1,3 @@
 /* eslint-disable */
 require('eventsource-polyfill')
-var hotClient = require('webpack-hot-middleware/client?noInfo=true&reload=true')
-
-hotClient.subscribe(function (event) {
-  if (event.action === 'reload') {
-    window.location.reload()
-  }
-})
+require('webpack-hot-middleware/client?noInfo=true&reload=true')