CORD-2741 Remove unnecessary import of LeastLoadedNodeScheduler

Change-Id: I826bbf8611b0b232f6490268fad0bbf3f4062e5f
diff --git a/xos/synchronizer/models/models.py b/xos/synchronizer/models/models.py
index 3b1035b..3acc198 100644
--- a/xos/synchronizer/models/models.py
+++ b/xos/synchronizer/models/models.py
@@ -23,7 +23,6 @@
 from django.db.models import *
 from operator import itemgetter, attrgetter, methodcaller
 from core.models import Tag
-from core.models.service import LeastLoadedNodeScheduler
 import traceback
 from xos.exceptions import *
 from models_decl import *