Revert of Build services as standalone executables

services/service_manager/runner/host/host_test_service_main.cc

Index: services/service_manager/runner/host/host_test_service_main.cc
diff --git a/services/service_manager/runner/host/host_test_service_main.cc b/services/service_manager/runner/host/host_test_service_main.cc
deleted file mode 100644
index 2ce8492f3f43f3ceab6a4b63a3ea771b7520478c..0000000000000000000000000000000000000000
--- a/services/service_manager/runner/host/host_test_service_main.cc
+++ /dev/null
@@ -1,12 +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 "mojo/public/cpp/system/message_pipe.h"
-#include "services/service_manager/public/c/main.h"
-
-MojoResult ServiceMain(MojoHandle service_request_handle) {
-  mojo::ScopedMessagePipeHandle service_request_pipe;
-  service_request_pipe.reset(mojo::MessagePipeHandle(service_request_handle));
-  return MOJO_RESULT_OK;
-}