remove unused imports

kontor-scripts/export.py

@@ -2,13 +2,10 @@
 import data from json file to MariaDB
 """
 from argparse import ArgumentParser, ArgumentDefaultsHelpFormatter
-from datetime import datetime
 import json
 import os
 from sqlalchemy import create_engine
 from sqlalchemy.orm import sessionmaker
-from platformdirs import PlatformDirs
-from pathlib import Path
 from db.models import registry
 from db.models.base import Base
 from config import get_logger