Story SW-300: make the two python scripts executables

LCU/Maintenance/MDB_tools/cli/mdb_loader.py

+#! /usr/bin/env python
 import logging
 import argparse
 import requests
@@ -7,7 +8,6 @@ from glob import glob
 import os
 import re
 
-from datetime import datetime
 
 logger = logging.getLogger('probe_mdb')
 

LCU/Maintenance/MDB_tools/cli/probe_mdb.py

+#! /usr/bin/env python
+
 import argparse
 import json
 import logging