[Telemetry refactor] Drop "2" from method calls to JS API

tools/perf/benchmarks/robohornet_pro.py

Index: tools/perf/benchmarks/robohornet_pro.py
diff --git a/tools/perf/benchmarks/robohornet_pro.py b/tools/perf/benchmarks/robohornet_pro.py
index dfa54b288a547cdd4d62af400b998cc66ccba3c2..25e5c8b6431884a0970a728c175880d297e806cc 100644
--- a/tools/perf/benchmarks/robohornet_pro.py
+++ b/tools/perf/benchmarks/robohornet_pro.py
@@ -33,15 +33,15 @@ class _RobohornetProMeasurement(legacy_page_test.LegacyPageTest):
     self._power_metric.Start(page, tab)
 
   def ValidateAndMeasurePage(self, page, tab, results):
-    tab.ExecuteJavaScript2('ToggleRoboHornet()')
-    tab.WaitForJavaScriptCondition2(
+    tab.ExecuteJavaScript('ToggleRoboHornet()')
+    tab.WaitForJavaScriptCondition(
         'document.getElementById("results").innerHTML.indexOf("Total") != -1',
         timeout=600)
 
     self._power_metric.Stop(page, tab)
     self._power_metric.AddResults(tab, results)
 
-    result = int(tab.EvaluateJavaScript2('stopTime - startTime'))
+    result = int(tab.EvaluateJavaScript('stopTime - startTime'))
     results.AddValue(
         scalar.ScalarValue(results.current_page, 'Total', 'ms', result))