remove serviceclass default setting from slice.save
diff --git a/xos/core/models/slice.py b/xos/core/models/slice.py
index 35d9f91..3934f3f 100644
--- a/xos/core/models/slice.py
+++ b/xos/core/models/slice.py
@@ -62,12 +62,6 @@
if " " in self.name:
raise XOSValidationError('slice name must not contain spaces')
- if self.serviceClass is None:
- # We allowed None=True for serviceClass because Django evolution
- # will fail unless it is allowed. But, we we really don't want it to
- # ever save None, so fix it up here.
- self.serviceClass = ServiceClass.get_default()
-
# set creator on first save
if not self.creator and hasattr(self, 'caller'):
self.creator = self.caller