V8 Buildbot: Remove swarming staging builders/testers.

scripts/slave/recipes/v8.py

 # Copyright 2013 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.
 
 DEPS = [
   'archive',
   'chromium',
   'gclient',
   'recipe_engine/json',
   'recipe_engine/path',
@@ skipping 249 matching lines @@
     ) +
     api.v8.fail('Mjsunit') +
     api.time.step(7)
   )
 
   # Bisect over range a1, a2, a3. Assume a2 is the culprit.
   # Same as above with a swarming builder_tester.
   yield (
     api.v8.test(
         'client.v8',
-        'V8 Linux - swarming staging 3',
+        'V8 Linux - shared',
         'bisect_swarming',
     ) +
     api.v8.fail('Check') +
     api.v8.fail('Bisect a2.Retry') +
     api.time.step(120)
   )
 
   # Bisect over range a1, a2, a3. Assume a3 is the culprit. This is a tester
   # and the build for a2 is not available. Steps:
   # Bisect a0 -> no failures.
@@ skipping 57 matching lines @@
     api.v8.test(
         'client.v8',
         'V8 Linux - predictable',
         'bisect_one_change',
     ) +
     api.v8.fail('Mjsunit') +
     api.override_step_data(
         'Bisect.Fetch changes', api.v8.example_one_buildbot_change()) +
     api.time.step(120)
   )