Remove local walltime shown as local summary in BenchCloud mode

The value shows the local wall time that has elapsed while waiting for
and executing the runs, but it could be confusing, is not valuable,
and it is not reproducible. So better remove it.

Author: PhilippWendler

contrib/vcloud/benchmarkclient_executor.py

@@ -360,11 +360,6 @@ def handleCloudResults(benchmark, output_handler, start_time, end_time):
     # Write worker host informations in xml
     parseAndSetCloudWorkerHostInformation(outputDir, output_handler, benchmark)
 
-    if start_time and end_time:
-        usedWallTime = (end_time - start_time).total_seconds()
-    else:
-        usedWallTime = None
-
     # write results in runs and handle output after all runs are done
     executedAllRuns = True
     runsProducedErrorOutput = False
@@ -415,9 +410,7 @@ def handleCloudResults(benchmark, output_handler, start_time, end_time):
             ):
                 shutil.move(vcloudFilesDirectory, benchexecFilesDirectory)
 
-        output_handler.output_after_run_set(
-            runSet, walltime=usedWallTime, end_time=end_time
-        )
+        output_handler.output_after_run_set(runSet, end_time=end_time)
 
     output_handler.output_after_benchmark(STOPPED_BY_INTERRUPT)