Remove stale mentions of mandoline.

tools/perf/benchmarks/startup.py

Index: tools/perf/benchmarks/startup.py
diff --git a/tools/perf/benchmarks/startup.py b/tools/perf/benchmarks/startup.py
index 6ed3d0bc01823bebb8130eb4a617b6880e862ef7..cb93e554d53b9eaf5c8f7dc7987e70baba2b86eb 100644
--- a/tools/perf/benchmarks/startup.py
+++ b/tools/perf/benchmarks/startup.py
@@ -61,7 +61,7 @@ class StartupWarmBlankPage(_StartupWarm):
 
 @benchmark.Disabled('reference',                   # http://crbug.com/476882
                     'android',                     # http://crbug.com/481919
-                    'content-shell', 'mandoline')  # No pregenerated profiles.
+                    'content-shell')               # No pregenerated profiles.
 class StartupLargeProfileColdBlankPage(_StartupCold):
   """Measures cold startup time with a large profile."""
   tag = 'cold'
@@ -81,7 +81,7 @@ class StartupLargeProfileColdBlankPage(_StartupCold):
 
 @benchmark.Disabled('reference',                   # http://crbug.com/476882
                     'android',                     # http://crbug.com/481919
-                    'content-shell', 'mandoline')  # No pregenerated profiles.
+                    'content-shell')               # No pregenerated profiles.
 class StartupLargeProfileWarmBlankPage(_StartupWarm):
   """Measures warm startup time with a large profile."""
   tag = 'warm'