remove hpc references from vtr synchronizer

Change-Id: I1b59d4df61fa475331982bd45cb349e1275996db
diff --git a/xos/synchronizer/steps/sync_vtrtenant.py b/xos/synchronizer/steps/sync_vtrtenant.py
index f0f7ef3..9fc7252 100644
--- a/xos/synchronizer/steps/sync_vtrtenant.py
+++ b/xos/synchronizer/steps/sync_vtrtenant.py
@@ -11,7 +11,6 @@
 from core.models import Service, Slice, Tag
 from services.vsg.models import VSGService, VCPE_KIND
 from services.vtr.models import VTRService, VTRTenant
-from services.hpc.models import HpcService, CDNPrefix
 from xos.logger import Logger, logging
 
 # hpclibrary will be in steps/..