Migrate Feed updating and build xml to new model

server/objects/FeedMeta.js

@@ -59,42 +59,5 @@ class FeedMeta {
       ownerEmail: this.ownerEmail
     }
   }
-
-  getRSSData(hostPrefix) {
-    const blockTags = [{ 'itunes:block': 'yes' }, { 'googleplay:block': 'yes' }]
-    return {
-      title: this.title,
-      description: this.description || '',
-      generator: 'Audiobookshelf',
-      feed_url: `${hostPrefix}${this.feedUrl}`,
-      site_url: `${hostPrefix}${this.link}`,
-      image_url: `${hostPrefix}${this.imageUrl}`,
-      custom_namespaces: {
-        itunes: 'http://www.itunes.com/dtds/podcast-1.0.dtd',
-        psc: 'http://podlove.org/simple-chapters',
-        podcast: 'https://podcastindex.org/namespace/1.0',
-        googleplay: 'http://www.google.com/schemas/play-podcasts/1.0'
-      },
-      custom_elements: [
-        { language: this.language || 'en' },
-        { author: this.author || 'advplyr' },
-        { 'itunes:author': this.author || 'advplyr' },
-        { 'itunes:summary': this.description || '' },
-        { 'itunes:type': this.type },
-        {
-          'itunes:image': {
-            _attr: {
-              href: `${hostPrefix}${this.imageUrl}`
-            }
-          }
-        },
-        {
-          'itunes:owner': [{ 'itunes:name': this.ownerName || this.author || '' }, { 'itunes:email': this.ownerEmail || '' }]
-        },
-        { 'itunes:explicit': !!this.explicit },
-        ...(this.preventIndexing ? blockTags : [])
-      ]
-    }
-  }
 }
 module.exports = FeedMeta