Remove pgbouncer.ini and userlist.txt from git, now generated by Ansible templates

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

docker/pgsql/pgbouncer.ini

@@ -1,19 +0,0 @@
-[databases]
-e-ticket = host=db-master port=5432 dbname=e-ticket
-e-ticket_readonly = host=db-slave port=5432 dbname=e-ticket
-
-[pgbouncer]
-listen_addr = 0.0.0.0
-listen_port = 6432
-auth_type = md5
-auth_file = /etc/pgbouncer/userlist.txt
-pool_mode = transaction
-max_client_conn = 200
-default_pool_size = 20
-min_pool_size = 5
-reserve_pool_size = 5
-reserve_pool_timeout = 3
-server_lifetime = 3600
-server_idle_timeout = 600
-log_connections = 0
-log_disconnections = 0

docker/pgsql/userlist.txt

@@ -1 +0,0 @@
-"e-ticket" "md5f79275ff8ae69fcb9e6218d88e699961"