Remove all blimp network code.

blimp/net/blimp_net_export.h

Index: blimp/net/blimp_net_export.h
diff --git a/blimp/net/blimp_net_export.h b/blimp/net/blimp_net_export.h
deleted file mode 100644
index 7d0a76c40d620334dcd067fb81043ef5a42ee912..0000000000000000000000000000000000000000
--- a/blimp/net/blimp_net_export.h
+++ /dev/null
@@ -1,29 +0,0 @@
-// Copyright 2015 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 BLIMP_NET_BLIMP_NET_EXPORT_H_
-#define BLIMP_NET_BLIMP_NET_EXPORT_H_
-
-#if defined(COMPONENT_BUILD)
-#if defined(WIN32)
-
-#if defined(BLIMP_NET_IMPLEMENTATION)
-#define BLIMP_NET_EXPORT __declspec(dllexport)
-#else
-#define BLIMP_NET_EXPORT __declspec(dllimport)
-#endif  // defined(BLIMP_NET_IMPLEMENTATION)
-
-#else  // defined(WIN32)
-#if defined(BLIMP_NET_IMPLEMENTATION)
-#define BLIMP_NET_EXPORT __attribute__((visibility("default")))
-#else
-#define BLIMP_NET_EXPORT
-#endif  // defined(BLIMP_NET_IMPLEMENTATION)
-#endif
-
-#else  // defined(COMPONENT_BUILD)
-#define BLIMP_NET_EXPORT
-#endif
-
-#endif  // BLIMP_NET_BLIMP_NET_EXPORT_H_