Revert of Skeleton of the overall design for the database for Pver4

components/safe_browsing_db/v4_store.h

Index: components/safe_browsing_db/v4_store.h
diff --git a/components/safe_browsing_db/v4_store.h b/components/safe_browsing_db/v4_store.h
deleted file mode 100644
index be9ff9da954843a17fa8704f90d753b22d62bc3f..0000000000000000000000000000000000000000
--- a/components/safe_browsing_db/v4_store.h
+++ /dev/null
@@ -1,15 +0,0 @@
-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef COMPONENTS_SAFE_BROWSING_DB_V4_STORE_H_
-#define COMPONENTS_SAFE_BROWSING_DB_V4_STORE_H_
-
-namespace safe_browsing {
-
-class V4Store {
-};
-
-}  // namespace safe_browsing
-
-#endif  // COMPONENTS_SAFE_BROWSING_DB_V4_STORE_H_