Make the fuchsia mojo/public repo the source of truth.

mojo/public/interfaces/network/BUILD.gn

Index: mojo/public/interfaces/network/BUILD.gn
diff --git a/mojo/public/interfaces/network/BUILD.gn b/mojo/public/interfaces/network/BUILD.gn
deleted file mode 100644
index 53a4e816e068251b55fbd4d1bd6e545068c691c9..0000000000000000000000000000000000000000
--- a/mojo/public/interfaces/network/BUILD.gn
+++ /dev/null
@@ -1,14 +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.
-
-import("../../tools/bindings/mojom.gni")
-
-mojom("network") {
-  sources = [
-    "http_header.mojom",
-    "network_error.mojom",
-    "url_request.mojom",
-    "url_response.mojom",
-  ]
-}