Revert of [perf] Enable non-verbose logging in memory system health benchmarks

tools/perf/benchmarks/system_health.py

Index: tools/perf/benchmarks/system_health.py
diff --git a/tools/perf/benchmarks/system_health.py b/tools/perf/benchmarks/system_health.py
index ebf146c47152c84aea5359d6919a099f5cca68a1..8aa389efd739c7bf11bbd29be64adc56f9c0e18c 100644
--- a/tools/perf/benchmarks/system_health.py
+++ b/tools/perf/benchmarks/system_health.py
@@ -64,9 +64,6 @@
   """
 
   def SetExtraBrowserOptions(self, options):
-    # TODO(petrcermak): Remove this and switch to log-on-retry
-    # (http://crbug.com/623058).
-    options.logging_verbosity = options.NON_VERBOSE_LOGGING
     options.AppendExtraBrowserArgs([
         # TODO(perezju): Temporary workaround to disable periodic memory dumps.
         # See: http://crbug.com/513692
@@ -112,7 +109,6 @@
         possible_browser.browser_type == 'reference' and
         possible_browser.platform.GetDeviceTypeName() == 'Nexus 5X')
 
-
 @benchmark.Enabled('android-webview')
 class WebviewStartupSystemHealthBenchmark(perf_benchmark.PerfBenchmark):
   """Webview startup time benchmark