Revert "Add current rss and embedder name to Observatory"

runtime/observatory/lib/src/models/repositories/vm.dart

Index: runtime/observatory/lib/src/models/repositories/vm.dart
diff --git a/runtime/observatory/lib/src/models/repositories/vm.dart b/runtime/observatory/lib/src/models/repositories/vm.dart
deleted file mode 100644
index fd646bc37aca39a354280f2efdeddd92c57fb80d..0000000000000000000000000000000000000000
--- a/runtime/observatory/lib/src/models/repositories/vm.dart
+++ /dev/null
@@ -1,9 +0,0 @@
-// Copyright (c) 2017, 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.
-
-part of models;
-
-abstract class VMRepository {
-  Future<VM> get(VMRef ref);
-}