Chore/cleanup before open source (#55)

* Chore: Cleanup

* Updated some urls to images and removed parts of documentation that is no longer valid

* Removal of some documentation that is no longer valid

* Removed PDF Export module

---------

Co-authored-by: Johan Olsson <johan@noodl.net>

static/data/guides.js

@@ -451,20 +451,6 @@ const guides = [
     label: 'Deploying and hosting apps',
     link: { type: 'doc', id: 'guides/deploy/overview' },
     items: [
-      {
-        type: 'doc',
-        label: 'Sandbox Deploy',
-        id: 'guides/deploy/deploying-an-app-on-sandbox',
-        imageUrl: '/img/featured-content-images/hosting.png',
-        description: 'Learn how to deploy your app to a Noodl sandbox domain',
-      },
-      {
-        type: 'doc',
-        label: 'Deploying to custom domains',
-        id: 'guides/deploy/deploying-to-custom-domain',
-        imageUrl: '/img/featured-content-images/hosting.png',
-        description: 'Learn how to deploy your app to custom domains ',
-      },
       {
         type: 'doc',
         label: 'Using a self hosted cloud service',