Revert of [swarming] Isolate v8 testing.

test/message/message.isolate

Index: test/message/message.isolate
diff --git a/test/message/message.isolate b/test/message/message.isolate
deleted file mode 100644
index dbeca5e55cfc8b0ddcae07ee4af4a80f22ccdd0a..0000000000000000000000000000000000000000
--- a/test/message/message.isolate
+++ /dev/null
@@ -1,14 +0,0 @@
-# Copyright 2015 the V8 project authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-{
-  'variables': {
-    'files': [
-      './',
-    ],
-  },
-  'includes': [
-    '../../src/d8.isolate',
-    '../../tools/testrunner/testrunner.isolate',
-  ],
-}