Tracing: Disable creation of .sumall file in SumDetail

The .sumall file appears to be unused, and its creation is causing
crashes when doing SumDetail tracing.

Author: rbuch

src/ck-perf/trace-summary.C

@@ -1297,12 +1297,18 @@ static void CombineSummary()
       // pe 0 start the sumonly process
     CProxy_TraceSummaryBOC sumProxy(traceSummaryGID);
     sumProxy[0].startSumOnly();
-  }else if(sumDetail)
+  }
+  /*
+  // This is only used for the creation of the .sumall file, but it's causing crashes with
+  // sumDetail (Assertion "inIdle == 0 && inExec == 0" failed in beginIdle)
+  else if (sumDetail)
   {
-      CProxy_TraceSummaryBOC sumProxy(traceSummaryGID);
-      sumProxy.traceSummaryParallelShutdown(-1);
+    CProxy_TraceSummaryBOC sumProxy(traceSummaryGID);
+    sumProxy.traceSummaryParallelShutdown(-1);
   }
-  else {
+  */
+  else
+  {
     CkContinueExit();
   }
 #else