Fix all the Ruff errors

tests/service/test_entry_service.py

@@ -1,14 +1,8 @@
-from re import search
 
 import pytest
 from datetime import datetime
-from unittest.mock import Mock
-from sqlalchemy import create_engine
 from sqlalchemy.exc import IntegrityError
-from sqlalchemy.orm import sessionmaker
 
-from pilgrim.database import Base
-from pilgrim.models.travel_diary import TravelDiary
 from pilgrim.models.entry import Entry
 from pilgrim.models.photo import Photo
 

tests/service/test_photo_service.py

@@ -1,4 +1,3 @@
-import pytest
 from pathlib import Path
 
 from pilgrim import TravelDiary

tests/utils/test_config_manager.py

@@ -4,7 +4,6 @@ from pathlib import Path
 from unittest.mock import patch
 
 from pilgrim.utils.config_manager import ConfigManager, SingletonMeta
-from pilgrim.utils.directory_manager import DirectoryManager
 
 @pytest.fixture
 def clean_singleton():