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

tools/perf/measurements/blink_style.py

Index: tools/perf/measurements/blink_style.py
diff --git a/tools/perf/measurements/blink_style.py b/tools/perf/measurements/blink_style.py
index 4e31a9ed36d20799b0ad783ccb191f26d84be721..dae97c74cf8044df1892dda356579e3c9605d728 100644
--- a/tools/perf/measurements/blink_style.py
+++ b/tools/perf/measurements/blink_style.py
@@ -30,7 +30,7 @@ class BlinkStyle(legacy_page_test.LegacyPageTest):
 
   def ValidateAndMeasurePage(self, page, tab, results):
     with tab.action_runner.CreateInteraction('wait-for-quiescence'):
-      tab.ExecuteJavaScript2('console.time("");')
+      tab.ExecuteJavaScript('console.time("");')
       try:
         util.WaitFor(tab.HasReachedQuiescence, 15)
       except py_utils.TimeoutException:
@@ -39,7 +39,7 @@ class BlinkStyle(legacy_page_test.LegacyPageTest):
         # state on every run.
         pass
 
-    tab.ExecuteJavaScript2('''
+    tab.ExecuteJavaScript('''
         for (var i = 0; i < 11; i++) {
           var cold = i % 2 == 0;
           var name = "update_style";