Fix removing simulations

Author: svenseeberg

opendrift_leeway_webgui/leeway/tasks.py

@@ -1,7 +1,6 @@
 import logging
 import os
 import subprocess
-from datetime import timedelta
 from pathlib import Path
 
 import requests as http_requests
@@ -133,15 +132,3 @@ def download_icon_weather_data():
     for frt in frts:
         download_and_merge(frt)
     logger.info("EU ICON weather data download completed.")
-
-    # Clean old simulations
-    logger.info("Cleaning old simulation data.")
-    for simulation in apps.get_model(app_label="leeway", model_name="LeewaySimulation").objects.filter(
-        start_time__lt=timezone.now() - timedelta(days=settings.SIMULATION_RETENTION)
-    ):
-        logger.info("Removed simulation %s.", simulation.uuid)
-        if simulation.img:
-            simulation.img.delete()
-        if simulation.netcdf:
-            simulation.netcdf.delete()
-        simulation.delete()