Remove unused columns from podcast_episodes (#7126)

* Remove unused columns from podcast_episodes

* Do not remove duration_in_seconds

app/models/podcast_episode.rb

@@ -1,10 +1,6 @@
 class PodcastEpisode < ApplicationRecord
   self.ignored_columns = %w[
-    deepgram_id_code
     duration_in_seconds
-    featured
-    featured_number
-    order_key
   ]
 
   include AlgoliaSearch

db/migrate/20200407083732_remove_unused_columns_from_podcast_episodes.rb

@@ -0,0 +1,10 @@
+class RemoveUnusedColumnsFromPodcastEpisodes < ActiveRecord::Migration[5.2]
+  def change
+    safety_assured do
+      remove_column :podcast_episodes, :deepgram_id_code, :string
+      remove_column :podcast_episodes, :featured, :boolean, default: true
+      remove_column :podcast_episodes, :featured_number, :integer
+      remove_column :podcast_episodes, :order_key, :string
+    end
+  end
+end

db/schema.rb

@@ -762,16 +762,12 @@ ActiveRecord::Schema.define(version: 2020_04_07_091449) do
     t.text "body"
     t.integer "comments_count", default: 0, null: false
     t.datetime "created_at", null: false
-    t.string "deepgram_id_code"
     t.integer "duration_in_seconds"
-    t.boolean "featured", default: true
-    t.integer "featured_number"
     t.string "guid", null: false
     t.boolean "https", default: true
     t.string "image"
     t.string "itunes_url"
     t.string "media_url", null: false
-    t.string "order_key"
     t.integer "podcast_id"
     t.text "processed_html"
     t.datetime "published_at"