db: remove unused tsvector triggers.

This was forgotten in 080dbf5a8.

db/migrate/20220107014433_drop_tsvector_triggers.rb

@@ -0,0 +1,19 @@
+class DropTsvectorTriggers < ActiveRecord::Migration[6.1]
+  def up
+    execute "DROP TRIGGER trigger_comments_on_update ON comments"
+    execute "DROP TRIGGER trigger_dmails_on_update ON dmails"
+    execute "DROP TRIGGER trigger_forum_posts_on_update ON forum_posts"
+    execute "DROP TRIGGER trigger_forum_topics_on_update ON forum_topics"
+    execute "DROP TRIGGER trigger_notes_on_update ON notes"
+    execute "DROP TRIGGER trigger_wiki_pages_on_update ON wiki_pages"
+  end
+
+  def down
+    execute "CREATE TRIGGER trigger_comments_on_update BEFORE INSERT OR UPDATE ON public.comments FOR EACH ROW EXECUTE FUNCTION tsvector_update_trigger('body_index', 'pg_catalog.english', 'body')"
+    execute "CREATE TRIGGER trigger_dmails_on_update BEFORE INSERT OR UPDATE ON public.dmails FOR EACH ROW EXECUTE FUNCTION tsvector_update_trigger('message_index', 'pg_catalog.english', 'title', 'body')"
+    execute "CREATE TRIGGER trigger_forum_posts_on_update BEFORE INSERT OR UPDATE ON public.forum_posts FOR EACH ROW EXECUTE FUNCTION tsvector_update_trigger('text_index', 'pg_catalog.english', 'body')"
+    execute "CREATE TRIGGER trigger_forum_topics_on_update BEFORE INSERT OR UPDATE ON public.forum_topics FOR EACH ROW EXECUTE FUNCTION tsvector_update_trigger('text_index', 'pg_catalog.english', 'title')"
+    execute "CREATE TRIGGER trigger_notes_on_update BEFORE INSERT OR UPDATE ON public.notes FOR EACH ROW EXECUTE FUNCTION tsvector_update_trigger('body_index', 'pg_catalog.english', 'body')"
+    execute "CREATE TRIGGER trigger_wiki_pages_on_update BEFORE INSERT OR UPDATE ON public.wiki_pages FOR EACH ROW EXECUTE FUNCTION tsvector_update_trigger('body_index', 'pg_catalog.english', 'body', 'title')"
+  end
+end

db/structure.sql

@@ -890,7 +890,6 @@ CREATE TABLE public.posts (
     bit_flags bigint DEFAULT 0 NOT NULL,
     tag_count_meta integer DEFAULT 0 NOT NULL
 );
-ALTER TABLE ONLY public.posts ALTER COLUMN tag_index SET STATISTICS 3000;
 
 
 --
@@ -4745,48 +4744,6 @@ CREATE INDEX index_wiki_pages_on_updated_at ON public.wiki_pages USING btree (up
 CREATE UNIQUE INDEX unique_schema_migrations ON public.schema_migrations USING btree (version);
 
 
---
--- Name: comments trigger_comments_on_update; Type: TRIGGER; Schema: public; Owner: -
---
-
-CREATE TRIGGER trigger_comments_on_update BEFORE INSERT OR UPDATE ON public.comments FOR EACH ROW EXECUTE FUNCTION tsvector_update_trigger('body_index', 'pg_catalog.english', 'body');
-
-
---
--- Name: dmails trigger_dmails_on_update; Type: TRIGGER; Schema: public; Owner: -
---
-
-CREATE TRIGGER trigger_dmails_on_update BEFORE INSERT OR UPDATE ON public.dmails FOR EACH ROW EXECUTE FUNCTION tsvector_update_trigger('message_index', 'pg_catalog.english', 'title', 'body');
-
-
---
--- Name: forum_posts trigger_forum_posts_on_update; Type: TRIGGER; Schema: public; Owner: -
---
-
-CREATE TRIGGER trigger_forum_posts_on_update BEFORE INSERT OR UPDATE ON public.forum_posts FOR EACH ROW EXECUTE FUNCTION tsvector_update_trigger('text_index', 'pg_catalog.english', 'body');
-
-
---
--- Name: forum_topics trigger_forum_topics_on_update; Type: TRIGGER; Schema: public; Owner: -
---
-
-CREATE TRIGGER trigger_forum_topics_on_update BEFORE INSERT OR UPDATE ON public.forum_topics FOR EACH ROW EXECUTE FUNCTION tsvector_update_trigger('text_index', 'pg_catalog.english', 'title');
-
-
---
--- Name: notes trigger_notes_on_update; Type: TRIGGER; Schema: public; Owner: -
---
-
-CREATE TRIGGER trigger_notes_on_update BEFORE INSERT OR UPDATE ON public.notes FOR EACH ROW EXECUTE FUNCTION tsvector_update_trigger('body_index', 'pg_catalog.english', 'body');
-
-
---
--- Name: wiki_pages trigger_wiki_pages_on_update; Type: TRIGGER; Schema: public; Owner: -
---
-
-CREATE TRIGGER trigger_wiki_pages_on_update BEFORE INSERT OR UPDATE ON public.wiki_pages FOR EACH ROW EXECUTE FUNCTION tsvector_update_trigger('body_index', 'pg_catalog.english', 'body', 'title');
-
-
 --
 -- PostgreSQL database dump complete
 --
@@ -5054,6 +5011,7 @@ INSERT INTO "schema_migrations" (version) VALUES
 ('20220101224048'),
 ('20220104214319'),
 ('20220106171727'),
-('20220106172910');
+('20220106172910'),
+('20220107014433');