Remove unused imports flagged by ruff in test_door_sensor.py

tests/test_door_sensor.py

@@ -14,10 +14,7 @@ from custom_components.zlock_slots.const import (
   DOMAIN, CONF_LOCK_ENTITY_IDS, CONF_GROUPS, CONF_GROUP_NAME,
   CONF_DOOR_SENSOR_MAP, LockAction, DoorLockState,
 )
-from tests.conftest import (
-  LOCK_ENTITY_ID, ALARM_TYPE_ENTITY, ALARM_LEVEL_ENTITY, DOOR_SENSOR_ENTITY,
-  FakeNode,
-)
+from tests.conftest import LOCK_ENTITY_ID, ALARM_TYPE_ENTITY, DOOR_SENSOR_ENTITY
 
 LOCK_2 = "lock.back_door"
 DOOR_SENSOR_2 = "binary_sensor.back_door_contact"