Remove all //blimp code.

blimp/common/blob_cache/mock_blob_cache.cc

Index: blimp/common/blob_cache/mock_blob_cache.cc
diff --git a/blimp/common/blob_cache/mock_blob_cache.cc b/blimp/common/blob_cache/mock_blob_cache.cc
deleted file mode 100644
index 4cf10522588b680929bcbe0a751f6e8dbff32b4f..0000000000000000000000000000000000000000
--- a/blimp/common/blob_cache/mock_blob_cache.cc
+++ /dev/null
@@ -1,13 +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.
-
-#include "blimp/common/blob_cache/mock_blob_cache.h"
-
-namespace blimp {
-
-MockBlobCache::MockBlobCache() {}
-
-MockBlobCache::~MockBlobCache() {}
-
-}  // namespace blimp