[telemetry] Cleanups for benchmarks importing page sets.

tools/perf/benchmarks/dromaeo.py

Index: tools/perf/benchmarks/dromaeo.py
diff --git a/tools/perf/benchmarks/dromaeo.py b/tools/perf/benchmarks/dromaeo.py
index f608e324854af2ade0f98756113ff68178c543dd..382cfaaba0b31b3f85d256438299e9e4cb15e388 100644
--- a/tools/perf/benchmarks/dromaeo.py
+++ b/tools/perf/benchmarks/dromaeo.py
@@ -57,13 +57,9 @@ class _DromaeoBenchmark(test.Test):
     if not hasattr(self, 'query_param'):
       raise NotImplementedError('query_param not in Dromaeo benchmark.')
     url = 'file://index.html?%s&automated' % self.query_param
-    # The docstring of benchmark classes may also be used as a description
-    # when 'run_benchmarks list' is run.
-    description = self.__doc__ or 'Dromaeo JavaScript Benchmark'
     dromaeo_dir = os.path.join(util.GetChromiumSrcDir(),
                                'chrome', 'test', 'data', 'dromaeo')
-    ps = page_set.PageSet(description=description,
-                          file_path=dromaeo_dir)
+    ps = page_set.PageSet(file_path=dromaeo_dir)
     ps.AddPageWithDefaultRunNavigate(url)
     return ps