Revert of [swarming] Isolate v8 testing.

test/unittests/unittests.isolate

Index: test/unittests/unittests.isolate
diff --git a/test/unittests/unittests.isolate b/test/unittests/unittests.isolate
deleted file mode 100644
index ae503bf9bf38a02e8826f241ea30bfbad41ccfad..0000000000000000000000000000000000000000
--- a/test/unittests/unittests.isolate
+++ /dev/null
@@ -1,15 +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': [
-      '<(PRODUCT_DIR)/unittests<(EXECUTABLE_SUFFIX)',
-      './unittests.status',
-    ],
-  },
-  'includes': [
-    '../../src/base.isolate',
-    '../../tools/testrunner/testrunner.isolate',
-  ],
-}