refactoring to remove a lot of junk

libs/data/postgres/src/index.ts

@@ -33,10 +33,5 @@ export type {
   DynamicPoolConfig,
 } from './types';
 
-// Factory functions
-export {
-  createPostgreSQLClient,
-  createAndConnectPostgreSQLClient,
-} from './factory';
-
-// Singleton pattern removed - use factory functions instead
+// Note: Factory functions removed - instantiate directly with new PostgreSQLClient()
+// or use the Awilix DI container (recommended)