[vm] Remove Dartium's vm-service implementation.

runtime/bin/vmservice_dartium.h

-// Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-#ifndef RUNTIME_BIN_VMSERVICE_DARTIUM_H_
-#define RUNTIME_BIN_VMSERVICE_DARTIUM_H_
-
-/* In order to avoid conflicts / issues with blink, no headers are included */
-
-#include <dart_api.h>
-#include <cstddef>
-
-namespace dart {
-namespace bin {
-
-class VmServiceServer {
- public:
-  static void Bootstrap();
-  static Dart_Isolate CreateIsolate(const uint8_t* snapshot_buffer);
-
-  static const char* GetServerAddress();
-
-  static void DecompressAssets(const uint8_t* input,
-                               unsigned int input_len,
-                               uint8_t** output,
-                               unsigned int* output_length);
-
-  /* DISALLOW_ALLOCATION */
-  void operator delete(void* pointer);
-
- private:
-  void* operator new(size_t size);
-
-  /* DISALLOW_IMPLICIT_CONSTRUCTORS */
-  VmServiceServer();
-  VmServiceServer(const VmServiceServer&);
-  void operator=(const VmServiceServer&);
-};
-
-}  // namespace bin
-}  // namespace dart
-
-#endif  // RUNTIME_BIN_VMSERVICE_DARTIUM_H_