Remove the partially completed code for remote IsolateMirrors and

runtime/tests/vm/dart/isolate_mirror_remote_test.dart

+// Copyright (c) 2012, 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.
+//
+// Dart test program for checking implemention of IsolateMirror when
+// inspecting a remote isolate.
+
+#library('isolate_mirror_local_test');
+
+#import('dart:isolate');
+#import('dart:mirrors');
+
+void isolateMain() {
+  port.receive(
+      (msg, replyPort) {
+        Expect.fail('Received unexpected message $msg in remote isolate.');
+      });
+}
+
+void testIsolateMirror(IsolateMirror mirror) {
+  Expect.fail('Should not reach here.  Remote isolates not implemented.');
+}
+
+void main() {
+  SendPort sp = spawnFunction(isolateMain);
+  try {
+    isolateMirrorOf(sp).then(testIsolateMirror);
+    Expect.fail('Should not reach here.  Remote isolates not implemented.');
+  } catch (var exception) {
+    Expect.isTrue(exception is NotImplementedException);
+  }
+}