misc: remove unused statement in jobs() (#36215)

Should have been removed in a39595b.

passerelle/base/models.py

@@ -495,7 +495,6 @@ class BaseResource(models.Model):
         if self.down():
             # don't try running jobs if connector is known to be down.
             return
-        resource_type = ContentType.objects.get_for_model(self)
         skip_locked = {'skip_locked': True}
         if not connection.features.has_select_for_update_skip_locked:
             skip_locked = {}