remove pg_signal_autovacuum_worker from 001-console-roles.sql (ubicloud#19)

introduced in PG18, not necessary

Author: serprex

common/assets/postgresql-init/001-console-roles.sql

@@ -3,7 +3,7 @@ CREATE USER chpg_console_admin WITH
   CREATEROLE
   ADMIN pg_read_all_data, pg_write_all_data, pg_monitor, pg_signal_backend,
     pg_read_all_stats, pg_read_all_settings, pg_checkpoint, pg_maintain,
-    pg_create_subscription, pg_stat_scan_tables, pg_signal_autovacuum_worker;
+    pg_create_subscription, pg_stat_scan_tables;
 GRANT ALL ON DATABASE postgres TO chpg_console_admin;
 GRANT ALL ON SCHEMA public TO chpg_console_admin;
 ALTER DEFAULT PRIVILEGES GRANT ALL ON TABLES TO chpg_console_admin;