Create kngil DB in init shell script

docker/initdb/01_kngil_DB.sql

@@ -20,14 +20,6 @@ SET xmloption = content;
 SET client_min_messages = warning;
 SET row_security = off;
 
---
--- Ensure target database exists (idempotent for init scripts)
---
-\connect postgres
-SELECT 'CREATE DATABASE kngil'
-WHERE NOT EXISTS (SELECT 1 FROM pg_database WHERE datname = 'kngil')\gexec
-\connect kngil
-
 --
 -- TOC entry 6 (class 2615 OID 16413)
 -- Name: kngil; Type: SCHEMA; Schema: -; Owner: postgres