Removes ignition specific benchmarks.

tools/perf/benchmarks/v8_browsing.py

Index: tools/perf/benchmarks/v8_browsing.py
diff --git a/tools/perf/benchmarks/v8_browsing.py b/tools/perf/benchmarks/v8_browsing.py
index 9cbbf738d314bbcde4508843297dba68cc4b38a9..72a0d7691c259305c25374cf722219eedc0ca651 100644
--- a/tools/perf/benchmarks/v8_browsing.py
+++ b/tools/perf/benchmarks/v8_browsing.py
@@ -167,16 +167,6 @@ class V8MobileBrowsingBenchmark(_V8MobileBrowsingBenchmark):
   TEST_SUFFIX = ''
 
 
-class V8DesktopIgnitionBrowsingBenchmark(_V8DesktopBrowsingBenchmark):
-  PLATFORM = 'desktop'
-  TEST_SUFFIX = '_ignition'
-
-  def SetExtraBrowserOptions(self, options):
-    super(V8DesktopIgnitionBrowsingBenchmark, self).SetExtraBrowserOptions(
-        options)
-    v8_helper.EnableIgnition(options)
-
-
 class V8DesktopTurboBrowsingBenchmark(_V8DesktopBrowsingBenchmark):
   PLATFORM = 'desktop'
   TEST_SUFFIX = '_turbo'
@@ -188,17 +178,6 @@ class V8DesktopTurboBrowsingBenchmark(_V8DesktopBrowsingBenchmark):
 
 
 @benchmark.Disabled('reference')  # http://crbug.com/628631
-class V8MobileIgnitionBrowsingBenchmark(_V8MobileBrowsingBenchmark):
-  PLATFORM = 'mobile'
-  TEST_SUFFIX = '_ignition'
-
-  def SetExtraBrowserOptions(self, options):
-    super(V8MobileIgnitionBrowsingBenchmark, self).SetExtraBrowserOptions(
-        options)
-    v8_helper.EnableIgnition(options)
-
-
-@benchmark.Disabled('reference')  # http://crbug.com/628631
 class V8MobileTurboBrowsingBenchmark(_V8MobileBrowsingBenchmark):
   PLATFORM = 'mobile'
   TEST_SUFFIX = '_turbo'