Update mergin/common.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: MarcelGeo

mergin/common.py

@@ -1,7 +1,5 @@
 import os
 from enum import Enum
-from typing import List, Dict, Any
-from dataclasses import dataclass, field
 
 CHUNK_SIZE = 100 * 1024 * 1024