Revert of add more polymer tests

tools/perf/benchmarks/smoothness.py

Index: tools/perf/benchmarks/smoothness.py
diff --git a/tools/perf/benchmarks/smoothness.py b/tools/perf/benchmarks/smoothness.py
index 3e2a620af0b705bee0314a213a4008d136a7dee3..25dc6e6263af5edecc0f6885c7459295405a2be7 100644
--- a/tools/perf/benchmarks/smoothness.py
+++ b/tools/perf/benchmarks/smoothness.py
@@ -122,39 +122,4 @@
   """Measures rendering statistics for Polymer cases.
   """
   test = smoothness.Smoothness
-  page_set = 'page_sets/polymer.py'
-
-
-class SmoothnessFastPathPolymer(test.Test):
-  """Measures rendering statistics for the Polymer cases without GPU
-  rasterization using bleeding edge rendering fast paths.
-  """
-  tag = 'fast_path'
-  test = smoothness.Smoothness
-  page_set = 'page_sets/polymer.py'
-  def CustomizeBrowserOptions(self, options):
-    silk_flags.CustomizeBrowserOptionsForFastPath(options)
-
-
-class SmoothnessGpuRasterizationPolymer(test.Test):
-  """Measures rendering statistics for the Polymer cases with GPU rasterization
-  """
-  tag = 'gpu_rasterization'
-  test = smoothness.Smoothness
-  page_set = 'page_sets/polymer.py'
-  def CustomizeBrowserOptions(self, options):
-    silk_flags.CustomizeBrowserOptionsForGpuRasterization(options)
-
-
-class SmoothnessFastPathGpuRasterizationPolymer(
-    SmoothnessGpuRasterizationPolymer):
-  """Measures rendering statistics for the Polymer cases with GPU rasterization
-  using bleeding edge rendering fast paths.
-  """
-  tag = 'fast_path_gpu_rasterization'
-  test = smoothness.Smoothness
-  page_set = 'page_sets/polymer.py'
-  def CustomizeBrowserOptions(self, options):
-    super(SmoothnessFastPathGpuRasterizationPolymer, self). \
-        CustomizeBrowserOptions(options)
-    silk_flags.CustomizeBrowserOptionsForFastPath(options)
+  page_set = 'page_sets/polymer.py'