Ensure reported Time is walltime by removing spurious scaling by threads (#1836)



* change the default to not scale
diff --git a/src/benchmark_runner.cc b/src/benchmark_runner.cc
index 19f468a..a380939 100644
--- a/src/benchmark_runner.cc
+++ b/src/benchmark_runner.cc
@@ -292,12 +292,6 @@
   // And get rid of the manager.
   manager.reset();
 
-  // Adjust real/manual time stats since they were reported per thread.
-  i.results.real_time_used /= b.threads();
-  i.results.manual_time_used /= b.threads();
-  // If we were measuring whole-process CPU usage, adjust the CPU time too.
-  if (b.measure_process_cpu_time()) i.results.cpu_time_used /= b.threads();
-
   BM_VLOG(2) << "Ran in " << i.results.cpu_time_used << "/"
              << i.results.real_time_used << "\n";