Revert of Add crash_service to Telemetry's isolates.

content/telemetry_gpu_unittests.isolate

+# Copyright (c) 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+{
+  'includes': [
+    'telemetry.isolate',
+  ],
+  'conditions': [
+    ['OS=="android" or OS=="linux" or OS=="mac" or OS=="win"', {
+      'variables': {
+        'files': [
+          # Other dependencies of the tests and their harness.
+          '../third_party/typ/',
+          '../third_party/catapult/',
+          '../testing/scripts/common.py',
+          '../testing/scripts/run_telemetry_as_googletest.py',
+          # The following represent the actual tests.
+          '../content/test/gpu/',
+        ],
+        'command': [
+          '../testing/scripts/run_telemetry_as_googletest.py',
+          '../content/test/gpu/run_unittests.py',
+          '-v',
+        ],
+      },
+    }],
+  ]
+}