Removed unhelpful policy that constrains the name of an instance to the
slice name. If so, then all instances in a slice would need to have the
same name.

Change-Id: Iaa93177d10d7d6f0b493649ccdf6c40ac033eeab
diff --git a/xos/core/models/core.xproto b/xos/core/models/core.xproto
index fd23912..0eb6db7 100644
--- a/xos/core/models/core.xproto
+++ b/xos/core/models/core.xproto
@@ -225,7 +225,6 @@
      required manytoone deployment->Deployment:imagedeployments = 2 [db_index = True, null = False, blank = False];
 }
 
-policy instance_name < obj.name = obj.slice.name >
 policy instance_creator < obj.creator >
 policy instance_isolation < (obj.isolation = "container" | obj.isolation = "container_vm" ) -> (obj.image.kind = "container") >
 policy instance_isolation_container_vm_parent < (obj.isolation = "container_vm") -> obj.parent >
@@ -234,7 +233,7 @@
 policy instance_creator_privilege < not (obj.slice.creator = obj.creator) -> exists Privilege:Privilege.object_id = obj.slice.id & Privilege.accessor_id = obj.creator.id & Privilege.object_type = "Slice" >
 
 message Instance (XOSBase) {
-     option validators = "instance_name:Instance name set improperly - {obj.name} should be {obj.slice.name}, instance_creator:Instance has no creator, instance_isolation: Container instance { obj.name } must use container image, instance_isolation_container_vm_parent:Container-vm instance {obj.name} must have a parent, instance_parent_isolation_container_vm:Parent field can only be set on Container-vm instances ({ obj.name }), instance_isolation_vm: VM Instance { obj.name } must use VM image, instance_creator_privilege: instance creator has no privileges on slice";
+     option validators = "instance_creator:Instance has no creator, instance_isolation: Container instance { obj.name } must use container image, instance_isolation_container_vm_parent:Container-vm instance {obj.name} must have a parent, instance_parent_isolation_container_vm:Parent field can only be set on Container-vm instances ({ obj.name }), instance_isolation_vm: VM Instance { obj.name } must use VM image, instance_creator_privilege: instance creator has no privileges on slice";
     
      optional string instance_id = 1 [max_length = 200, content_type = "stripped", blank = True, help_text = "Nova instance id", null = True, db_index = False];
      optional string instance_uuid = 2 [max_length = 200, content_type = "stripped", blank = True, help_text = "Nova instance uuid", null = True, db_index = False];