Revert of Add a broken page to dummy_benchmark.noisy_benchmark_1 (patchset #1...

Revert of Add a broken page to dummy_benchmark.noisy_benchmark_1 (patchset #1 id:1 of https://codereview.chromium.org/2334323003/ )

Reason for revert:
Reverting the changes to as we have enough revisions to perform bisect FYI jobs

Original issue's description:
> Add a broken page to dummy_benchmark.noisy_benchmark_1
>
> *PERF SHERRIF: this CL intentionally breaks dummy_benchmark.noisy_benchmark_1
> for intergration testing purpose.
>
> BUG=646628
> NOTRY=true
>
> Committed: https://crrev.com/522a347da44b43e8bbf58ad29e246dc3dab3872c
> Cr-Commit-Position: refs/heads/master@{#418971}

TBR=nednguyen@google.com,sullivan@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=646628

Review-Url: https://codereview.chromium.org/2345393002
Cr-Commit-Position: refs/heads/master@{#419334}

tools/perf/benchmarks/dummy_benchmark.py

@@ -59,10 +59,3 @@ class DummyBenchmarkTwo(_DummyBenchmark):
   @classmethod
   def Name(cls):
     return 'dummy_benchmark.noisy_benchmark_1'
-
-  def CreateStorySet(self, options):
-    del options  # unused
-    story_set = dummy_story_set.DummyStorySet()
-    story_set.AddStory(dummy_story_set.BrokenDummyPage(story_set))
-    return story_set
-