CORD-2752 cleanup leftover attic files

Change-Id: Ibee9c6301ede7a53807a56769add279fc990e5ef
diff --git a/xos/attic/header.py b/xos/attic/header.py
deleted file mode 100644
index 2ff43f2..0000000
--- a/xos/attic/header.py
+++ /dev/null
@@ -1,20 +0,0 @@
-
-# Copyright 2017-present Open Networking Foundation
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-# models.py -  ExampleService Models
-
-from core.models import Service, TenantWithContainer, XOSBase
-from django.db.models import *