Moved //components/proximity_auth/cryptauth to //components/cryptauth.

components/proximity_auth/cryptauth/proto/BUILD.gn

Index: components/proximity_auth/cryptauth/proto/BUILD.gn
diff --git a/components/proximity_auth/cryptauth/proto/BUILD.gn b/components/proximity_auth/cryptauth/proto/BUILD.gn
deleted file mode 100644
index 9affa372285e61f94cc05fea8770f965120a212f..0000000000000000000000000000000000000000
--- a/components/proximity_auth/cryptauth/proto/BUILD.gn
+++ /dev/null
@@ -1,12 +0,0 @@
-# Copyright 2014 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("//third_party/protobuf/proto_library.gni")
-
-proto_library("proto") {
-  sources = [
-    "cryptauth_api.proto",
-    "securemessage.proto",
-  ]
-}