Migrate wallet app to centralized aitbc package utilities

- Migrate 4 files from logging to aitbc.get_logger
- __main__.py, chain/multichain_ledger.py, chain/manager.py, chain/chain_aware_wallet_service.py
- Remove logging.basicConfig() from __main__.py

apps/wallet/src/app/chain/manager.py

@@ -10,10 +10,11 @@ from pathlib import Path
 from dataclasses import dataclass, field
 from enum import Enum
 import json
-import logging
 from datetime import datetime
 
-logger = logging.getLogger(__name__)
+from aitbc import get_logger
+
+logger = get_logger(__name__)
 
 
 class ChainStatus(Enum):