Revert "FEATURE: Hide Privacy Policy and TOS topics (#18533)" (#18633)

This reverts commit 49abcf965b.

lib/topic_query.rb

@@ -438,9 +438,6 @@ class TopicQuery
 
     topics = topics.to_a
 
-    # These don't need to be shown in the topic list
-    topics = topics.reject { |t| [SiteSetting.privacy_topic_id, SiteSetting.tos_topic_id].include?(t[:id]) }
-
     if options[:preload_posters]
       user_ids = []
       topics.each do |ft|

spec/requests/list_controller_spec.rb

@@ -79,19 +79,6 @@ RSpec.describe ListController do
       expect(parsed["topic_list"]["topics"].length).to eq(1)
     end
 
-    it 'filters out privacy policy and tos topics' do
-      tos_topic = create_topic
-      SiteSetting.tos_topic_id = tos_topic.id
-
-      pp_topic = create_topic
-      SiteSetting.privacy_topic_id = pp_topic.id
-
-      get "/latest.json"
-      expect(response.status).to eq(200)
-      parsed = response.parsed_body
-      expect(parsed["topic_list"]["topics"].length).to eq(1)
-    end
-
     it "shows correct title if topic list is set for homepage" do
       get "/latest"