Remove type ignore that's no longer needed

mypy > 0.940 seems to understand that modules are Any (ish).

Author: PeterJCLaw

django_lightweight_queue/cron_scheduler.py

@@ -144,7 +144,7 @@ def get_matcher(minval, maxval, t):
                 # No module, move on.
                 continue
 
-        app_cron_config: List[CronConfig] = mod.CONFIG  # type: ignore[attr-defined]
+        app_cron_config: List[CronConfig] = mod.CONFIG
         for row in app_cron_config:
             row['min_matcher'] = get_matcher(0, 59, row.get('minutes'))
             row['hour_matcher'] = get_matcher(0, 23, row.get('hours'))