refactor: delete supabase initialization .sql, replace with a shell script

migrations/before/20230312043000_supabase_auth.sql.bak

@@ -1,37 +0,0 @@
--- Add migration script here
--- Create the anon and authenticated roles if they don't exist
-CREATE OR REPLACE FUNCTION create_roles(roles text []) RETURNS void LANGUAGE plpgsql AS $$
-DECLARE role_name text;
-BEGIN FOREACH role_name IN ARRAY roles LOOP IF NOT EXISTS (
-    SELECT 1
-    FROM pg_roles
-    WHERE rolname = role_name
-) THEN EXECUTE 'CREATE ROLE ' || role_name;
-END IF;
-END LOOP;
-END;
-$$;
-SELECT create_roles(ARRAY ['anon', 'authenticated']);
-
--- Create supabase_admin user if it does not exist
-DO $$ BEGIN IF NOT EXISTS (
-    SELECT
-    FROM pg_catalog.pg_roles
-    WHERE rolname = 'supabase_admin'
-) THEN CREATE USER supabase_admin LOGIN CREATEROLE CREATEDB REPLICATION BYPASSRLS;
-END IF;
-END $$;
--- Create supabase_auth_admin user if it does not exist
-DO $$ BEGIN IF NOT EXISTS (
-    SELECT
-    FROM pg_catalog.pg_roles
-    WHERE rolname = 'supabase_auth_admin'
-) THEN CREATE USER supabase_auth_admin BYPASSRLS NOINHERIT CREATEROLE LOGIN NOREPLICATION PASSWORD 'root';
-END IF;
-END $$;
--- Create auth schema if it does not exist
-CREATE SCHEMA IF NOT EXISTS auth AUTHORIZATION supabase_auth_admin;
--- Grant permissions
-GRANT CREATE ON DATABASE postgres TO supabase_auth_admin;
--- Set search_path for supabase_auth_admin
-ALTER USER supabase_auth_admin SET search_path = 'auth';