remove unused statements

src/benchmark_runner.cc

diff --git a/src/benchmark_runner.cc b/src/benchmark_runner.cc
index 20f9bda..a380939 100644
--- a/src/benchmark_runner.cc
+++ b/src/benchmark_runner.cc
@@ -292,9 +292,6 @@
   // And get rid of the manager.
   manager.reset();
 
-  i.results.real_time_used;
-  i.results.manual_time_used;
-
   BM_VLOG(2) << "Ran in " << i.results.cpu_time_used << "/"
              << i.results.real_time_used << "\n";