fix: changed to not use joshjs

WHY: joshjs's bug prevents firmware upload by GUI

With v1.0.2, we cannot upload firmware by GUI.
This is because joshjs bug has appeared in the improvements made so far.
Fortunately, joshjs is now applied to only one location, so decided to stop using it.

apps/nerves_hub_www/assets/js/app.js

@@ -6,7 +6,6 @@ import '@popperjs/core'
 import $ from 'jquery'
 import { Socket } from 'phoenix'
 import { LiveSocket } from 'phoenix_live_view'
-import Josh from 'joshjs'
 
 let dates = require('./dates')
 let csrfToken = document
@@ -18,8 +17,6 @@ let liveSocket = new LiveSocket('/live', Socket, {
 
 liveSocket.connect()
 
-new Josh()
-
 $(function () {
   $('.custom-upload-input').on('change', function () {
     let fileName = $(this).val().split('\\').pop()

apps/nerves_hub_www/assets/package.json

@@ -12,7 +12,6 @@
   "dependencies": {
     "@popperjs/core": "^2.11.4",
     "bootstrap": "^5.1.3",
-    "joshjs": "^1.0.7",
     "jquery": "^3.6.0",
     "moment": "^2.29.2",
     "phoenix": "file:../../../deps/phoenix",

apps/nerves_hub_www/lib/nerves_hub_www_web/templates/home/index.html.heex

@@ -14,7 +14,7 @@
     <h1>Manage OTA firmware updates across your devices</h1>
     <p>NervesHub is an extensible web service that allows you to manage over-the-air (OTA) firmware updates of devices in the field. Built with Phoenix, NervesHub delivers first-class support for hardware deployments directly from the command line.</p>
     <%= if permit_uninvited_signups() do %>
-      <a class="btn btn-primary btn-lg btn-home josh-js" data-josh-anim-name="pulse" href={Routes.account_path(@conn, :new)}>Get Started</a>
+      <a class="btn btn-primary btn-lg btn-home" href={Routes.account_path(@conn, :new)}>Get Started</a>
     <% end %>
   </div>
   <div class="hero-image">